Christopher has a vintage record store, and his weekly revenues from Classic Flock LPs are shown below. He is trying to forecast for week 6 so he can order appropriately and has decided to use a 3-period weighted moving average where the most recent weight is .7 and the next most recent is .2. Round your answer to two decimal places, and leave the $ sign off. Week1 2 3 4 5 6 Sales . $ 90012001000980'1'150? In