Ingrid is planning to expand her business by taking on a new product that costs $ 7.51 . $7.51. In order to market this new product, $ 1365.00 $1365.00 must be spent on advertising. The suggested retail price for the product is $ 13.66 . $13.66. Answer each of the following independent questions. (a) If a price of $ 15.80 15.80 is chosen, how many units does she need to sell to break even? (b) If advertising is increased to $ 1579.00 1579.00, and the price is kept at $ 13.66 13.66, how many units does she need to sell to break even? (a) If a price of $ 15.80 15.80 is chosen, the number of units she needs to sell to break even is nothing . (Round up to the nearest whole number.) (b) If advertising is increased to $ 1579.00 1579.00, and the price is kept at $ 13.66 13.66, the number of units she needs to sell to break even is nothing . (Round up to the nearest whole number.) Enter your answer in each of the answer boxes. Ingrid is planning to expand her business by taking on a new product that costs $ 7.51 . $7.51. In order to market this new product, $ 1365.00 $1365.00 must be spent on advertising. The suggested retail price for the product is $ 13.66 . $13.66. Answer each of the following independent questions. (a) If a price of $ 15.80 15.80 is chosen, how many units does she need to sell to break even? (b) If advertising is increased to $ 1579.00 1579.00, and the price is kept at $ 13.66 13.66, how many units does she need to sell to break even? (a) If a price of $ 15.80 15.80 is chosen, the number of units she needs to sell to break even is nothing . (Round up to the nearest whole number.) (b) If advertising is increased to $ 1579.00 1579.00, and the price is kept at $ 13.66 13.66, the number of units she needs to sell to break even is nothing . (Round up to the nearest whole number.) Enter your answer in each of the answer boxes.