a$.$ Identify throughput, inventory, and flow time at each stage.

B$.$ What profit does Cheapest earn per week with the current system? Assume that each car loses $$40$ in value per week because of depreciation.

C$.$ Cheapest is comparing to possible improvements:

$1.$ Decrease time in repairs from $2$ weeks to $1.$

$2.$ Decrease cost pair repair from $$150$ per car to $$120$ per car well keeping flow time in repairs at $2$ weeks.

Assume that the effort that is required in each case is the same. Which change do you think will be more effective? why?