Bob Carlton's golf camp estimates the workforce requirements for its services over the next two years in the accompanying table.

Click the icon to view the workforce requirements.

uncertified instructor, and there are no layoff costs.

a$.$ Consider the following proposed low$-$cost$,$ mixed$-$strategy plan:

Total cost for this plan would be $$.($Enter your response as an in

b$.$ Having a workforce consisting of both regular and temporary emp

A$.$ reduces hiring and firing of certified instructors.

B$.$ reduces overtime.

C$.$ reduces total costs.

D$.$ a and b only.

E$.$ b and c only.

F$.$ all of the above.

Workforce Requirements

Each certified instructor puts in $480$ hours per quarter regular time and can work an additional $120$ hours

overtime. Regular$-$time wages and benefits cost Carlton $$7,200$ per employee per quarter for regular time worked up to

$480$ hours, with an overtime cost of $$20$ per hour. Unused regular time for certified instructors is paid at $$15$ per hour.

There is no cost for unused overtime capacity. The cost of hiring, training, and certifying a new employee is $$10,000.$

Layoff costs are $$4,000$ per employee. Currently $8$ employees work in this capacity.