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Pen Pro produces three main lines of felt tip pens $-$ Prime, Deluxe and Regular models. Pen Pro received a forecast to sell $30,000$ pens $($combined for all three lines$)$ for the coming month from its marketing department. Fixed costs of $$45,000$ per month are allocated to felt$-$tip operations. The variable costs and selling price of the three models are shown on the table below. Also shown is the histrorical percent market shares of each of the product lines.

$\backslash$table$[[,,\backslash$table$[[$VC per$],[$Unit$]],\backslash$table$[[$Selling$],[$Price$/$Unit$]]],[$Product$,$Percent Share,$$1\mathrm{.}00,$$$2\mathrm{.}50$