URGENT PLEASE HELP!!

Actual demand for the past 16 periods is shown below. Prepare a trend adjusted exponential smoothing forecast using the following parameters: a = .3, B = .2, TAF5 = 663.67, and T5 = 1.67. (Round all your answers to two decimal points.) Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Actual 658 658 656 663 664 666 670 673 672 673 677 680 686 689 692 698 TAF S

Actual demand for the past 16 periods is shown below. Prepare a trend adjusted exponential smoothing forecast using the following parameters: a= .3,=.2,TAF5=663.67, and T5=1.67. (Round all your answers to two decimal points.)