You�ve observed the following returns on crash-n-burn computer�s stock over the past five years: 17 percent, �4 percent, 20 percent, 12 percent, and 10 percent. suppose the average inflation rate over this period was 2.7 percent and the average t-bill rate over the period was 5.4 percent. what was the average real risk-free rate over this time period?

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

750 h and costs $0.60 per bulb.