Acme Mailbox produces decorative mailboxes. The company's average cost per unit is $25.43 when it produces 1,500 mailboxes. Read the requirements. Requirement 1. What is the total cost of producing [1,500 mailboxes? The total cost of producing 1,500 mailboxes is Requirement 2 . If $21,645 of the total costs are fixed, what is the variable cost of producing each mailbox? The variable cost per unit is Requirement 3. Write Acme Mailbox's cost equation. y=x+ Requirement 4. If the plant manager uses the average cost per unit to predict total costs, what would the forecast be for 1,600 mailboxes? The total cost is Requirement 5. If the plant manager uses the cost equation to predict total costs, what would the forecast be for 1,600 maiboxes? The total cost is Requirement 6. What is the dollar difference between your answers to Questions 4 and 57 Which approach to forecasting costs is appropriate? Why? The plant manager's forecast would be too high if he/she uses the to predict costs. The is based on a mixed cost that will change as volume changes. If the manager uses this method he/she is erroneouslv assumina that Requirement 6. What is the dollar difference between your answers to Questions 4 and 5 ? Which approach to forecasting costs is appropriate? Why? The plant manager's forecast would be too high if he/she uses the to predict costs. The is based on a mixed cost that will change as volume changes. If the manager uses this method, he/she is erroneously assuming that the does not change at different volumes. The manager should use the to predict costs since it correctly takes into account the variable and fixed components of producing mailboxes