12 476 to 10 10 to An electrical contractor's records during the last five wooks indicate the number of job requests: Meni 1 3 4 5 21 23 21 22 23 Request Gack here for the Excel Data File Predict the number of requests for week 6 using each of these methods a. Nalve Number of b. A four-penod moving average. (Round your answer to 2 decimal places c. Exponential smoothing with a = 0.15. Use 21 for week 2 forecast. (Round your Intermediate forecast values and final answers to 2 decimal places.) Number of Requests F3 F4 F5 FE