Just need help with 1-b, 2a, and 2b. thanks

Precision Manufacturing incorporated (PM) makes two types of inoustria component parts the EX 300 and the TX500. It annually produces 55.000 units of Ex 300 and 12.000 units of X X 500 . The companys conventional cost system allocates manufacturing overhead to products ysing plantwide overthead tate and direct abor dollars as the allocation base. Additional information relating to the company's two product lines is shown belowe The company is considering implementing an activity-based costing system that distributes all of its manufacturing overhead to four activities as shown below: Required: 1-a. Compute the plantwide overhead rate that would be used in the company's conventional cost system. 1-b. Using the plantwide rate. compute the unit product cost for each product. 2-a. Compute the activity rate for each activity cost pool. 2.b. Using the activity rates. compute the unit product cost for each procuct. Complete this question by entering your answers in the tabs below