Chillicothe Meat Company produces one of the best sausage products in southern Ohio. The company's controller used the account-classification method to compile the following information.

a. Depreciation schedules revealed that monthly depreciation on buildings and equipment is $19,000.

b. Inspection of several invoices from meat packers indicated that meat costs the company $1.10 per pound of sausage produced.

c. Wage records showed that compensation for production employee's costs $.70 per pound of sausage produced.

d. Payroll records showed that supervisory salaries total $10,000 per month.

e. Utility bills revealed that the company incurs utility costs of $4,000 per month plus $.20 per pound of sausage produced.

Required:

1. Classify each cost item as variable, fixed, or semi variable.

2. Write a cost formula to express the cost behavior of the firm's production costs. (Use the formula Y = a + bX, where Y denotes production cost and X denotes quantity of sausage produced.).