If a z-score is zero, which of the following must be true? Explain your reasoning.
A. The mean is zero.
B. The corresponding x-value is zero.
C. The corresponding x-value is equal to the mean.

Jaynet spends $50,000 per year on painting supplies and storage space. she recently received two job offers from a famous marketing firm – one offer was for $95,000 per year, and the other was for $120,000. however, she turned both jobs down to continue a painting career. if jaynet sells 35 paintings per year at a price of $6,000 each: a. what are her accounting profits? b. what are her economic profits?

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)

A$100 million interest rate swap has a remaining life of 10 months. under the terms of the swap, the six-month libor is exchanged semi-annually for 12% per annum. the six-month libor rate in swaps of all maturities is currently 10% per annum with continuous compounding. the six-month libor rate was 9.6% per annum two months ago. what is the current value of the swap to the party paying floating? what is its value to the party paying fixed?