Bill Williams has the opportunity to invest in project A that costs $ 8 comma 100 today and promises to pay $ 2 comma 300, $ 2 comma 400, $ 2 comma 400, $ 2 comma 100 and $ 1 comma 700 over the next 5 years. Or, Bill can invest $ 8 comma 100 in project B that promises to pay $ 1 comma 500, $ 1 comma 500, $ 1 comma 500, $ 3 comma 600 and $ 4 comma 000 over the next 5 years. (Hint: For mixed stream cash inflows, calculate cumulative cash inflows on a year-to-year basis until the initial investment is recovered.)

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no