The drive-through facility for COVID-19 vaccination administers Pfizer vaccines on Fridays, Saturdays, and Sundays. Based on the following data of the last three weeks, the facility wants to forecast the number of Pfizer vaccines required on the coming Friday, Saturday, and Sunday. Apply the appropriate method to find the forecasts. [Marks are for: filling three cells in the table, writing the forecasting equation, and deducing the ratio table] Vaccines 3000 2500 2000 Number Of Pfizer Vaccines Consumed Week 1 Week 2 Week 3 Week 4 Friday 1860 1830 1720 Saturday 2490 2450 2350 Sunday 1890 1860 1830 Vaccines 1500 1000 500 0 1 2 3 4 5 6 7 8 9 Period