International Rental Cars incurred the following costs in a recent fiscal period:
Custodial services for branch office in St. Louis 250
Painting costs for luxury sports cars 320
Salaries for corporate accountants 395
Generalized advertising for the firm 460
Depreciation on home office computer equipment 665
Office equipment depreciation for Pasadena branch 775
Market research with business travelers 860
Total $3,725
Calculate the total cost in each of the following categories:
a. Organization-sustaining activities
b. Facility-sustaining activities
c. Customer-sustaining activities
d. Product-sustaining activities