Daily demand for newspapers for the last 10 days has been as follows: 22, 13, 16, 15, 12, 18, 14, 12, 13, 15 (listed from oldest to most recent). What will be the forecast sales for the next day using a three-day weighted moving average where the weights are 3, 1, and 1 (the highest weight is for the most recent number)? Must compute in 2 dec pl.

Select one:

a. 18.00

b. 12.80

c. 13.00

d. 70.00

e. 14.00