21. You are tasked with analyzing the cost allocation for a project. Below is a breakdown of costs incurred:

Cost Category	Project 1 ($)	Project 2 ($)	Project 3 ($)	Project 4 ($)	Project 5 ($)
Direct Materials	20,000	25,000	18,000	30,000	22,000
Direct Labor	15,000	18,000	14,000	20,000	16,000
Indirect Costs	10,000	12,000	9,000	15,000	11,000

Your requirements are as follows:

• Allocate indirect costs based on a predetermined allocation base.
• Determine the total cost of each project.
• Calculate the direct cost percentage of the total cost for each project.
• Present the allocated costs in a separate table.
• Include a paragraph explaining the rationale behind the chosen allocation base.
• Provide the formula used for cost allocation.