1.what is the forecast sale for period 11 if they use three period moving average, three period weighted moving average, and exponential smoothing?
2.what is me, mse, mad, and mape if they use three period moving average, three period weighted moving average, and exponential smoothing?
3.according to the previous calculations, which method is better?

Gamegirl inc., has the following transactions during august. august 6 sold 76 handheld game devices for $230 each to ds unlimited on account, terms 2/10, net 60. the cost of the 76 game devices sold, was $210 each. august 10 ds unlimited returned six game devices purchased on 6th august since they were defective. august 14 received full amount due from ds unlimited. required: prepare the transactions for gamegirl, inc., assuming the company uses a perpetual inventory syste

Aresearcher developing scanners to search for hidden weapons at airports has concluded that a new scanner isis significantly better than the current scanner. he made his decision based on a test using alpha equals 0.025 .α=0.025. would he have made the same decision at alpha equals 0.10 question mark α=0.10? how about alpha equals 0.01 question mark α=0.01? explain

Beachballs, inc., expects abnormally high earnings for the next three years due to the forecast of unusually hot summers. after the 3-year period, their growth will level off to its normal rate of 6%. dividends and earnings are expected to grow at 20% for years 1 and 2 and 15% in year 3. the last dividend paid was $1.00. if an investor requires a 10% return on beachballs, the price she is willing to pay for the stock is closest to: