Please help correct formulas in red.

B11 X D A fx =PMT(87,84,-B10,0,0) B $11,000.00 How much money do you currently have in savings? $750,00 How much money do you plan to save each period? 30 Years until your retirement 20 Years you plan to be in retirement How frequently do you save money each year? Annually (1), quarterly (4), or monthly (12 times each year)? 8.00% Expected return on your savings before retirement (this is an EAR) 6.00% Expected return on savings during retirement (this is an APR) Problem 1 Problem 2 Problem 3 Problem 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 7.77%Expected annual return on savings before retirement (convert to an APR) $460,570.90 Amount you'll have in your account at retirement based on the savings amount in cell B2 Amount you can spend each period during your retirement Problem 5 15 Number of years you will delay before starting to save for retirement 19.828 The interest rate you would need to earn to hit the target amount in 810 if you do delay storting to save 23Convert that APR to an EAR $5,000.00 How much do you want to be able to spend each period during your retirement? 322203 Amount you need in your account at retirement in order to spend this target amount (cell 817) SE346 Amount you need to save each period before retirement to have enough to meet your goal. Problem 6