Ingrid is planning to expand her business by taking on a new product that costs $6.78. In order to market this new product, $1102.00 must be spent on advertising. The suggested retail price for the product is $10.73. Answer each of the following independent questions. (a) If a price of $12.59 is chosen, how many units does she need to sell to break even? (b) If advertising is increased to $1293.00, and the price is kept at $10.73, how many units does she need to sell to break even? (a) If a price of $12.59 is chosen, the number of units she needs to sell to break even is (Round up to the nearest whole number.)