could you please explain how to carry it out by hand too. thank you

Month A logistics company is attempting to determine how its units shipped in a month depend on time. For the last 9 months, the number of units shipped is given in table. Use a 5 month moving average to forecast units in month 10. b. Use exponential smoothing method with a constant of 40% to forecast units in month 10 C Based on MAD, which forecasting result is more reliable? Why? 1 2 3 4 Units Shipped 300 400 500 200 300 350 460 480 120 Month A logistics company is attempting to determine how its units shipped in a month depend on time. For the last 9 months, the number of units shipped is given in table. Use a 5 month moving average to forecast units in month 10. b. Use exponential smoothing method with a constant of 40% to forecast units in month 10 C Based on MAD, which forecasting result is more reliable? Why? 1 2 3 4 Units Shipped 300 400 500 200 300 350 460 480 120