Registrar capacity, not handler effort, explains the object slip, and shelving overtime explains most of the fit-out overrun, on the evidence in GM593's Unit 4 memo. Searches like "gm 593 unit 4 assignment example", "gm593 unit 4 sample" and "gm593 unit 4 example" land here.
What a finished GM593 Unit 4 variance analysis memo looks like
Three pages to the museum director and the move steering group, with two exhibits. The opening paragraph states both findings and their size in dollars. Exhibit A tests three candidate causes for the object stream's schedule variance of minus 125,600 dollars. Handler output per active hour held at 1.9 equivalent units against 1.8 planned, so crew speed is set aside. The mix packed so far was easier than the collection average, which rules out difficulty. Registrar capacity fits every signal: one of three registrars has couriered a traveling exhibition since month two, checking and signing capacity fell from about 1,050 equivalent units a week to roughly 670, and objects awaiting a manifest signature grew from 1,280 to 2,050. Exhibit B splits the fit-out's 101,000-dollar overrun into air-handler rework and shelving overtime.
How a GM593 Unit 4 example is structured
Each variance gets its own argument, because the two share nothing but a reporting date. For the schedule slip, the memo lists candidate mechanisms before choosing one, and tests each against evidence able to disprove it: timesheet codes, scan timestamps, the packed mix by category. A cause asserted first and supported afterward would read as a conclusion hunting for data. The surviving mechanism is then traced forward through the workflow to show why faster handlers could not help: every crate still waits on the same two signatures. The fit-out overrun is split into its parts, and the uncomfortable one is named plainly, about 33,000 dollars of overtime that bought an early finish on shelving never on the path controlling the lease date. Implications close the memo, with the fix itself left to the corrective action plan.
Two findings, one paragraph
The object stream is short of registrar hours, and the fit-out paid for speed it did not need. Both findings and their dollar sizes appear before any exhibit.
Three causes tested
Handler speed, object difficulty and registrar capacity are each set against evidence capable of ruling them out. Only the third survives, and the memo shows why the first two fail.
The courier assignment
The estimate assumed three registrars. From month two, one has accompanied a traveling exhibition to its venues, and nobody revised the move plan when that loan agreement was signed.
A queue that grows
Objects awaiting manifest signature rose from 1,280 at month three to 2,050 at month five. Handler waiting time, logged under its own timesheet code, climbed with it.
Overtime on the wrong work
Of the fit-out's 101,000-dollar overrun, about 68,000 went to air-handler rework and 33,000 to overtime that finished shelving early. The shelving had float; the objects did not.
Where marks go in GM593 Unit 4
The weakest variance memos in GM593 account for a slip with a phrase such as behind due to delays, which repeats the figure in words and locates nothing. Graders reward a mechanism that could have been wrong and was tested: a claim about registrar capacity that timesheets and scan records would have contradicted had it been false. Memos that choose a cause and then collect support for it read as advocacy. Instructors commonly expect cost and schedule variances analyzed separately, since one rarely explains the other, and papers folding them into a single story blur both. Causes framed as a person's failing, rather than as a planning assumption that broke, draw comment and point toward the wrong remedy. Implications stated vaguely, needs attention or should be monitored, leave the corrective action unit with nothing to act on.
Get a GM593 Unit 4 example written to your instructions
Variance memos depend on the evidence a case offers, so include whatever sits behind your numbers: timesheets, logs, meeting notes, a narrative from the prompt. Add the Unit 4 instructions, the rubric and the variance figures themselves. Candidate causes get tested against that evidence rather than assumed. First custom sample free, with delivery inside 24-48h.
GM593 Unit 4 questions, answered
What if my case lacks the evidence to confirm a cause?
Then the memo says so and ranks the candidates by how well the available evidence fits, naming the check that would settle it: a timesheet review, a log extract, a conversation with the vendor. A probable cause stated with its confidence is more useful to a sponsor, and usually graded higher, than a certain one with nothing underneath it.
Should the memo recommend the fix?
It should state what each finding implies, such as restoring capacity at a named step, and stop short of a full plan unless the prompt asks for one. Many sections assign the corrective action separately. A memo that jumps to a remedy before the cause is established tends to lose credit on the analysis and the recommendation alike.
How should the memo treat a favorable variance?
Just as seriously as an unfavorable one. In the sample, the fit-out's favorable schedule variance turns out to have been bought with overtime on work that had float, which makes it part of the cost problem. A favorable figure can also mean work was deferred or measured generously, so its cause deserves a line of its own.