Week Amount EstimateWeek$\_$AmountEstimate$\_16111$ NA $6212$ NA $7243168174189145111010$ 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 estimate to answer the following questions: $($round to $3$ digits$)$ a$.$ What is the $3$ week moving average estimate for week $8?$ b$.$ What is the $3$ week moving average estimate for week $3?$ c$.$ What is the Mean Absolute Forcasting Error for the $3$ week moving average estimates from week $3$ to $10?$ d$.$ What is the Mean Percentage Forcasting Error for the $3$ week moving average estimates from week $3$ to $10?$