Select 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 $1.80 per pound
b. Total cost is fixed at $7,500 per month regardless of the number of units produced.
c. Auto rental has a fixed fee of $70.00 per day plus $2.00 per mile driven.
d. Machine operating costs include $900 of maintenance per month, and