please solve C

Problem 4.1 Question Help The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: Week Of August 31 September 7 September 14 September 21 September 28 October Pints Used 345 372 412 378 366 374 a) The forecasted demand for the week of October 12 using a 3-week moving average = 372.67 pints (round your response to two decimal places). b) Using a 3-week weighted moving average, with weights of 0.15,0.25, and 0.60, using 0.60 for the most recent week, the forecasted demand for the week of October 12 = 372.6 pints (round your response to iwo decimal places and remember to use the weights in appropriate order the largest weight applies to most recent period and smallest weight apples to oldest period.) c) If the forecasted demand for the week of August 31 is 345 and a = 0.25, using exponential smoothing, develop the forecast for each of the weeks with the known demand and the forecast for the week of October 12 (round your responses to (wo decimal places) Week Of Pints Used 345 August 31 September 7 September 14 September 21 372 412 378 Forecast for this Date 345 345.00 351.75 358.31