Thomas Manufacturing Company produces a variety of products. The company is currently reviewing its cost structure to determine the profitability of each product line. Below is the relevant information for the year ended December 31, 2023:

1. Product A:
   • Units Produced: 10,000
   • Direct Materials Cost: $15,000
   • Direct Labor Cost: $20,000
   • Manufacturing Overhead Costs: $30,000
   • Selling and Administrative Expenses: $10,000
2. Product B:
   • Units Produced: 5,000
   • Direct Materials Cost: $10,000
   • Direct Labor Cost: $15,000
   • Manufacturing Overhead Costs: $20,000
   • Selling and Administrative Expenses: $5,000
3. Product C:
   • Units Produced: 8,000
   • Direct Materials Cost: $20,000
   • Direct Labor Cost: $25,000
   • Manufacturing Overhead Costs: $25,000
   • Selling and Administrative Expenses: $8,000

The company uses traditional costing methods to allocate manufacturing overhead costs based on direct labor hours. The total direct labor hours for the year were 6,000 hours.

Using this information, perform the following tasks:

a) Calculate the predetermined overhead rate.

b) Allocate the manufacturing overhead costs to each product using the predetermined overhead rate.

c) Calculate the total cost per unit for each product.

d) Determine the contribution margin per unit for each product.

e) Based on the contribution margin per unit, identify which product(s) should be prioritized for production and which product(s) may need further evaluation or potential discontinuation.