Waymire Ltd. currently uses a traditional costing system based on direct labour hours to allocate overhead. This year, the company has budgeted to produce 2105 units of one of its products. Each unit requires 2 hours of direct labour. For the coming year, the company is considering changing to an activity based costing system by allocating overhead based on 3 activities. The following are the activities, budgeted total cost and cost drivers per activity for the upcoming year: Activity Cost driver Cost Cost Base Volume 22513 Processing $815881 Maintenance $410093 90604 machine hours direct labour hours # of inspections Inspection $659418 35105 Waymire Ltd. has estimated the consumption of each of the activities for this product: 1817 machine hours and 2867 inspections. What is the product's overhead cost per unit if Waymire decides to implement the activity- based costing system? Select one: a. $41.62 b. $56.87 c. $61.39 d. $65.92