GameStop (Tampa) is forecasting sales for the Playstation 5. Below are the current sales figures for the last 5 weeks: Week time t Sold 1 5 Weeks ago: 900 2 4 Weeks ago: 925 3 3 Weeks ago: 940 4 2 Weeks ago: 960 5 Last Week: 975 Provide the equation and the forecast for next week's sales volume (week 6) using each of the following techniques. You may type or handwrite your answers in the space provided but you must stay within the text box for each question. 1.1 Numeric forecast only using the Nave Approach (5 points) 1.2 Equation and forecast using a three- week moving average (5 points) 1.3 Equation and forecast using a weighted average using .60 for last week (time t- 5), .30 for 2 weeks ago (time t=4) and .10 for 3 weeks ago (time t = 3) (5 points) 1.4 Equation and forecast using Exponential Smoothing with a smoothing constant equal to .20. Use a forecast for 2 weeks ago (time t-4) of 940 (nave forecast). (10 points)