Week Amount Estimate week amount estimate 1 15 NA 5 14 2 17 NA 6 15 3 23 NA 7 25 4 11 8 20 Listed in the chart above is the number of cars sold each week by a Honda dealership in Portland. Use a 3 week moving average forcast to answer the following questions: (round to 3 decimal places) a. What is the 3 week moving average forcast for week 8? 18 b. What is the 3 week moving average forcast for week 5? 17 c. What is the Mean Forcasting Error for the 3 week moving average forcasts from week 4 to 8? d. What is the Mean Absolute Forcasting Error for the 3 week moving average forcasts from week 4 to 8