An amortized loan has 10 annual payments at the end of each year starting one year from now. the first 5 payments are $1,000 each and the final 5 payments are $500 each. interest is at an effective annual rate of 10%. find each of the following: (a) the initial loan amount; (b) the outstanding balance just after the 3rd payment; (c) the interest and principal in the 4th payment; (d) the outstanding balance just after the 8th payment

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