i need helpnwoth this 3 formulas, perfect value of growing perpetuity and annuity, and the formula rate of return. i cant have the result that gave the professor

2 A perpetuity has a Cash flows of $1,962. The cash flows will increase at a rate of 3.21%. If the interest rate is 9.72%, What is the present value a NOTE: Submit your answers with 4 decimals after the dot. Do not include the "s" sign Selected Answer: 20,850.1594 Correct Answer: 30,138.2488 + 3% Response Feedback look up the growing perpetuity formula. Remember that the interest rate and the growing rate are percentages. Correct Answer: 30,825.3442 + 3% Response Feedback: Well done Question 8 What is the rate of return of an investment of $19,657 if after 11 years it becomes $44,749. X NOTE: Answer in percentages. If your answer is 0.0204. you must answer 2.04. Do not use the "%" Selected Answer: 0.0776 Correct Answer: 7.77 + 3% Response Feedback: Compute the rate of return, look up the formula. Remember that you have to inpu Local backup on 10 25 N s tv A PDF ion 6 O out of 14 point An annuity has a cash flow of $1,228 per year for 6 years. The cash flows will grow at a rate of 3.554. What is the present value of this growing annuity if the interest rate x 8.46% NOTE: Submit your answers with 4 decimals after the dot. Do not include the "s" sign Selected Answer: 0 3.653.914 Correct Answer: 6,069.3146 + 3% Response Feedback Look up the growing annuity formula. Remember that the interest rate is a percentage. Also, remember the PEMDAS math rule