Rollins Mailbox produces decorative mailboxes. The company's average cost per unit is $21.43 when it produces 1,100 mailboxes. Read the requirements Requirement 1. What is the total cost of producing 1.100 mailboxes? The total cost of producing 1.100 mailboxes is Requirement 2. If $10,373 of the total costs are foxed, what is the variable cost of producing each mailbox? The variable cost per unit is Requirement 3. Write Rollins Mailbox's cost equation. y = Requirement 4. If the plant manager uses the average cost per unit to predict total costs, what would the forecast be for 1,400 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 1.400 mailboxes? The total cost is 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 The method, he/she is erroneously assuming that the manager should use the fixed components of producing mailboxes too high if he/she uses the to predict costs is based on a mixed cost that will change as volume changes. If the manager uses this does not change at different volumes. The to predict costs since it correctly takes into account the variable and