Not sure which kind of cost that I should use for the equation for number 2? Can you please show me how to answer number 2?

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. Required: 1. Classify each cost item as variable, fixed, or semivariable. 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.) x Answer is not complete. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Classify each cost item as variable, fixed, or semivariable. Depreciation schedules revealed that monthly depreciation on buildings and equipment is $19,000 Fixed Inspection of several invoices from meat packers indicated that meat costs the company $1.10 per pound of sausage produced_ Variable Wage records showed that compensation for production employees costs $0.70 per pound of sausage produced Variable Payroll records showed that supervisory salaries total $10,000 per month. Fixed Utility bills revealed that the company incurs utility costs of $4,000 per month plus $0.20 per pound of sausage produced Semivariable