Question 1.1 Calculate the cost of an interior door and exterior door under the existing simple costing system.

Do calculations inExcel and copy-paste the table into this document .

Show all required steps for the calculation.

Question 1.2 Calculate the cost of an interior door and exterior door under an activity-based costing system.

Do calculations inExcel and copy-paste the table into this document .

Show all required steps for the calculation.

Question 1.3 Compare the costs of the doors in requirements 1 and 2.

Why do the simple and activity-based costing systems differ in the cost of an interior door and an exterior door?

Make a table showing the difference between both.

state its conclusions and inferences