Hasbro has provided the following partial listing of costs incurred during August. Assume all depreciation costs are based on straight-line depreciation. Direct Materials Indirect Materials Direct Labor Indirect Labor Property Taxes, Factory Property Taxes, Headquarters Depreciation, Company Car for Executives Depreciation, Assembly Line Sales Commissions Maintenance, Gymnasium at Headquarters Security Costs at the Factory Commercials to Promote each Board Game $150,000 $90,000 $110,000 $160,000 $10,000 $22,000 $5,000 $10,000 $100,000 $15,000 $2,000 $40,000 a. What is the total amount of variable costs listed above? (3 points) b. What is the total amount of period costs listed above? (3 points) c. What is the total amount of prime costs listed above? (2 points) d. What is the total amount of direct costs listed above (cost object: board game)? (3 points)