Consider the sales data below: Obtain a regression equation based on the annual sales and forecast sales for Year 5. =2.23+197.6(5)=990.23y=25.05(5)+265.8=140.55y=25.05(5)+265.8=391.05=2.23(5)+197.6=208.75 A cell phone manufacturer is considering introducing one of two new cell phone models: Premium or Basic. Expected payoffs under three possible economy scenarios are provided below. If the probabilities of strong, moderate, and weak economy are .2,.5, and .3, respectively, what is the optimal decision? What is the expected value? Max(20,80)=80. Optimal Decision: Basic Phone Max(20,80)=80. Optimal Decision: Premium Phone Max(30,90)=90. Optimal Decision: Basic Phone Max(30,90)=90. Optimal Decision: Premium Phone