** If you provide wrong solution then i will dislike and report you. No more information is needed**

** Don't waste my question. Don't solve if you don't know .*

Given the following demand data, a. Compute a weighted average forecast using a weight of .40 for the most recent period, .30 for the next most recent, 20 for the next, and 10 for the next. b. If the actual demand for period 6 is 39, forecast demand for period 7 using the same weights as in part a. Period Demand 1 42 2 40 3 4 40 5 41