2- The business analyst for Ace Business Machines, Inc. wants to forecast this year's demand for manual typewriters based on the following historical data:

Time PeriodDemand

5 years ago900

4 years ago700

3 years ago600

2 years ago500

Last year300

A)What is the forecast for this year using a moving-average forecast based on the last three years?

B) What is the forecast for the next period using exponential smoothing method with a alphafactor of0.4a = 0.4