need part a and b please

Tesla produces two models, Model S and Model X. Two activities are used in their manufacture. These activities and their associated costs and bases are as follows: Activity Budgeted Costs Activity Base Molding $728.000 Machine hours Packaging $895.400 Labor hours Activity base Models Model X Total Machine hours 12,000 14,000 26,000 Labor hours 34,900 46,500 81,400 Units produced 200 400 Requirements: (Round answers to two decimal places) a) Determine the activity rate for each activity. b) Determine the overhead cost per unit for each model