Determining fixed, variable, and semivariable costs. Indicate whether each of the following costs is likely to be fixed, variable, or semivariable, based on physical units of output:

a. Direct materials

b. Direct labor

c. Depreciation

d. Salaries of factory supervisors

e. Insurance on factory building

f. Heat, light, and power g. Indirect materials h. Indirect labor i. Payroll taxes j. Warehouse rental DATA FOR EXERCISES 7-10 The Reed Company's records show the following data for the four quarters of 19X2:

Direct Indirect Quarter Labor Hours Labor Utilities First 10,200 $13,040 $1,520 Second 14,600 13,920 1,960 Third 12,800 13,560 1,780 Fourth 13,000 13,600 1,800