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?