Which of the following tools can the fed use to contract the money supply? to expand the money supply? a. buying short-term u. s. treasury securities b. selling short-term u. s. treasury securities c. decreasing the discount rate d. raising the reserve requirement e. quantitative easing f. lowering the reserve requirement g. increasing the discount rate

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)