Sage's Bicycles store buys bicycles on average for $$610$ and sells them on average for $$800.$ They pay a sales commission of $15\%$ of sales revenue to his sales staff. Sage pays $$1,600$ a month rent

for the store, and also pays $$4,000$ a month to its staff in addition to the commissions. Sage sold $120$ bicycles in June. If Sage prepares a contribution margin income statement for the month of June,

what would be the contribution margin?

A$.$ $$8,400$

B$.$ $$81,600$

C$.$ $$96,000$

D$.$ $$14,400$