could you solve it with explain it please

1. Mahmoudco Scooters wants to estimate demand for the next two quarters for scooters in the market. Sales data consist of trend and seasonality. a. Quarter relatives are 1.4 for the first quarter, 1.25 for the second quarter, 0.95 for the third quarter and 0.8 for the fourth quarter. Use this information to deseasonalize sales for quarter 1-7. b. FIND THE FORECAST FORMULA. Estimate demand for periods 8 and 9. YOU MUST FILL THIS TABLE t+y1)++(2)2+38=34 Given the data below, develop a forecast for period 6 using a four-period weighted moving average and weights of .4,.3,.2 and .1 Develop a linear trend equation for the data on bread deliveries shown below. Forecast deliveries for period 11 through 14