CMU$\%$ PROBLEM # $4-$ EXTRA CREDIT!

A luxury shoe buyer has an opening stock figure of $$650,000$ @R with a $48\%$ MU$.$ Gearing up for the holiday party season $($November $-$ December$),$ the buyer purchased and received the following:

Purchase #l: $3-$dozen Men's Prada Brushed Leather Laced Oxfords $($ $$513\mathrm{.}60$ $C $/$ pair; $48\%$ MU$)$

Purchase #$2$:

$6-$dozen Christian Louboutin Black Velvet Galactica Pigalle Follies Pumps $($ $$1,250$$$\frac{R}{?}$ pair; $52\%$ MU$)$

$3-$dozen Christian Louboutin Kate Strass Multicolor Pumps $($ $$2,995$ $R $/$ pair; $52\%$ MU$)$

What is the CMU$\%?$

$\backslash$table$[[,$SR$,$R$\%,$sc$,$c$\%,$SMU,MU$\%],[$ol$,,,,,,],[+$ PURCH #$1,,,,,,],[*$ PURCH #$2,,,,,,],[=TMH,,,,,,]]$

$8$

What is the CMU$\%?$