At Lakeside Manufacturing, budgets are the responsibility of everyone. Each department collaborates in determining its expected needs, and sales personnel determine the likely sales volume. Al Talbott, one of the production managers, believes in building plenty of slack into everything, including his estimates of ending inventory of work in process. As the accounting manager, write a memo to Mr. Talbott, explaining why the ending inventory figure should be extremely accurate, with as little slack as possible.