$14-8$ Companies usually estimate work based upon man$-$months. If the work must be estimated in man$-$weeks, the man$-$month is then converted to man$-$weeks. The problem is in the determination of how many man$-$hours per month are actually available for actual direct labor work.

COST CONTROL

Your company has received a request for proposal $($RFP$)$ from one of your customers and management has decided to submit a bid. Only one department in your company will be required to perform the work and the department manager estimates that $3,000$ hours of direct labor will be required.

Your first step is to calculate the number of hours available in a typical man$-$month. The Human Resources Department provides you with the following yearly history for the average employee in the company:

Vacation $(3$ weeks$)$

Sick days $(4$ days$)$

Paid holidays $(10$ days$)$

Jury duty $(1$ day$)$

A$.$ How many direct labor hours are available per month per person?

B$.$ If only one employee can be assigned to the project, what will be the duration of the effort, in months?

C$.$ If the customer wants the job completed within one year, how many employees