Zippy company has a product that it currently sells in the market for $50 per unit. zippy has developed a new feature that, if added to the existing product, will allow zippy to receive a price of $65 per unit. the total cost of adding this new feature is $26,000 and zippy expects to sell 1,600 units in the coming year. what is the net effect on next-year's operating income of adding the feature to the product?

Six years ago, an 80-kw diesel electric set cost $160,000. the cost index for this class of equipment six years ago was 187 and is now 194. the cost-capacity factor is 0.6. the plant engineering staff is considering a 120-kw unit of the same general design to power a small isolated plant. assume we want to add a precompressor, which (when isolated and estimated separately) currently costs $13291. determine the total cost of the 120-kw unit. (hint: skip $ and comma symbols)