Approximately Relevant ABC Silven Company has identified the following overhead activities, costs, and activity drivers for the coming year: Silven produces two models of cell phones with the following expected activity demands: 1. Determine the total overhead assigned to each product using the four activity drivers. Round interim calculations 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. Feedback Check My Work assigned to each Model. 3. Percentage error = (Total approx. ABC cost -Activity cost assignment) Activity cost assignment. Discuss desirability