The company has gathered the following data given in the tables. There are $8$ hours of production per day.

You manage a consulting firm down the street from Consuelo Chua, Inc., and to get your foot in the door, you have told Ms$.$ Chua that you can do a better job at aggregate planning than her current staff. She said, "Fine. You do that, and you have a $1-$year contract." To make good on your boast, you propose a new strategy. Hire $5$ workers in August and $5$ more in October, and subcontract to meet the rest of the demand. What will be the cost of this strategy?

$\backslash$table$[[$Costs$,],[$Holding cost$,$$$\frac{9}{?}$ disk drive$/$Month$],[$Subcontracting$,$$$\frac{80}{?}$ disk drive$],[$Regular$-$time labor,$$12$