Write a Linear Cost Function Equation for Each of the Following

Essay

Write a linear cost function equation for each of the following conditions. Use y for estimated costs and x for activity of the cost driver.
a. Direct materials cost is $1.50 per pound.
b. Direct labor cost is $33.50 per hour.
c. Auto rental has a fixed fee of $150.00 per day plus $1.00 per mile driven.
d. Machine operating costs include $700 of maintenance per month, and $10.00 of coolant usage costs for each day the machinery is in operation.