If price P$,$ unit costs C$,$ and quantity Q are known, the markup of markup$-$cost pricing is:

Question $6$ options:

$($PQ $$ CQ$)/$Q$.$

P $$ C$/$Q$.$

$($P $$ C$)/$Q$.$

$($P $$ C$)/$C$.$

$1($P $$ C$)/$Q$.$