Consider the three processes described below, which are being evaluated as possible choices to handle production of units for the firm DEF Associates.

PROCESS FIXED COST $($$$)$ VARIABLE COSTS PER UNIT $($$$)$

D $15001$

E $8505$

F $12003$

$($a$)$ Construct a crossover chart to show the comparative total costs of each process, as a function of the volume x of units produced. Your graph should be neat, complete, reasonably scaled, and clearly labeled with all relevant information.

$($b$)$ In words, give a summary of which process is best $($lowest cost$)$ for which volumes. give me the crossover points of the different processes, total cost function.