$4.$ Provencer Electronics, a division of Bolton Corporation, manufacturers two large$-$screen television models: the Mammoth, which has been produced since $2016$ and sells for $$995,$ and the Maximum, a newer model introduced in early $2018$ that sells for $$1,309.$

Requirement $1.$ Using activity$-$based costing, calculate the gross margin per unit of the Maximum and Mammoth models. Begin by calculating the total cost of goods sold for each model.

Requirement $2.$ Explain briefly why these numbers differ from the gross margin per unit of the Maximum and Mammoth models calculated using Provencer$$s existing simple costing system

Requirement $3.$ Comment on Cambell$$s concern about the accuracy and limitation of ABC

Requirement $4.$ How might Provencer find the ABC information helpful in managing its business?

Requirement $5.$ What should Sam Jackson do in response to Cambell$$s comments?