Please help with part two & three of this question. If you can provide a detailed explanation and equations used for each step that would be extremely helpful.

2. Determine the total overhead assigned to each model using the two most expensive activities. The costs of the two relatively inexpensive activites are allocated to the two expensive activities in proportion to their costs. Round interim calcuations to two decimal places and round your final answers to the nearest dollar.

3. Using ABC as the benchmark, calculate the percentage error. Round your answers to two decimal places.

Silven produces two models of cell phenes with the following expected activity demands: 1. Determine the total overhesd astigned to etch product using the four bctivity drivers