1. Grey's Audiovisual rents audio and visual equipment to musicians for local concerts. The company is interested in forecasting the rentals for the d2-console so that it can make sure the d2-console is on hand when needed. The d2-console data for the last 10 months are shown here.

January	23
February	24
March	32
April	26
May	31
June	28
July	32
August	35
September	26
October	24

a. Give a forecast for months 6 through 10 by using three- and five-month moving averages. What is the forecast for month 11?

b. Calculate the mean absolute deviation (for periods 6-10) for each forecasting method.

c. What are your recommendations for Gray's