Using the data worksheet for Requirement $1$ in House Hardware, what is the contribution margin for customer number $667821$ on $6/26/2015?($To find customer $667821$ in Excel, in the Home ribbon, click on Find & Select and choose the option to Find.$)$

$$ A$.$ $$5,076\mathrm{.}00$

B$.$ $$561\mathrm{.}70$

C$.$ $$1,287\mathrm{.}80$

D$.$ $$1,849\mathrm{.}50$