$7\mathrm{.}9$ Makayla Metters Cabinets, Inc., needs to choose a production method for its new office shelf, the Maxistand. To help accomplish this, the firm has gathered the following production cost data:

$\backslash$table$[[\backslash$table$[[$PROCESS$],[$TYPE$]],\backslash$table$[[$ANNUALIZED$],[$FIXED COST OF$],[$PLANT & EQUIP.$]],$VARIABLE COSTS $($PER UNIT$)($$$)],[$LABOR$,$MATERIAL,ENERGY$],[\backslash$table$[[$Mass$],[$Customization$]],$$$1,260,000,30,18,12],[$Intermittent$,$$$1,000,000,24,26,20],[$Repetitive$,$$$1,625,000,28,15,12],[$Continuous$,$$$1,960,000,25,15,10]]$

Makayla Metters Cabinets projects an annual demand of $24,000$ units for the Maxistand. The Maxistand will sell for $$120$ per unit.

a$)$ Which process type will maximize the annual profit from producing the Maxistand?

b$)$ What is the value of this annual profit? $Px$