please show step by step calculations not using excel

INSTRUCTION The following question needs a text based answer. You will note down your answers in the provided to you. This text box is more like a MSWord kind of editor like insert table and ina has the facility to insert equations Bbut you may just write them in words. If you do not know how to in equations, for example, instead of notations, just write "Mean of " or "Standard deviation of etc. Question (7.5+7.5 Points) 1. The Marketing Representative of Pearson Publications wanted to order Operations Management books for printing for the next year. The following data in the table shows the number of hardcopies of the books sold from January 2021 to October 2021 at the UNF Bookstore, Help the Marketing Representative in the forecast by using the exponential smoothing method. to forecast the number of units for February to November. The initial forecast of the month of January was 50 books and value of alpha is 0.3. Write your steps for solving. 2. Calculate the Absolute Percentage Error (APE) for each month from January through October and the MAD and MAPE of the forecast errors at of the end of October. No. of Month Books Sold 1 35 2 January February March , 40 3 45 4 30 April May 5 20 6 June 15 7 35 8 8 40 July August September October 9 35 10 20