Currently, Rangel Accessories sells $42,600$ handbags annually at an average price of $$149$ each. It is considering adding a lower$-$priced line of handbags that sell for $$79$ each. The firm estimates it can sell $21,000$ of the lower$-$priced handbags but expects to sell $7,200$ fewer of the higher$-$priced handbags by doing so$.$ What is the amount of annual sales that should be used when evaluating the addition of the lower$-$priced handbags?

a$.780,200$

b$.6,933,600$

c$.659,000$

d$.5,839,000$

e$.586,200$