please help with all questions. thank you for your help :)

QUESTION 30 Consider a perpetuty with the first cash flow at the end of year 1 If the invested funds of the perpetuity could earn 13% per year and the perpetuity paid $838 per year what is the present value of the perpetuity? (round to the nearest dollar) QUESTION 25 Consider a 20-year callable annual coupon bond with a face value of S1000 and a coupon rate of 8%. The bonds can be called after 5 years for a price of $1070 and is currently selling in the market for $1145 Calculate the yield to call 581% O 8.77% O 667% O 8154 O 021% QUESTION 26 Consider the following cash flows and calculate the Present Value of this cash flow stream is the interest rate is 5%. Please include two decimals in your answer and a negative if appropriate Year 0 $ 465 Year 1 $333 Year 2 SO Year 3: $0 Year 4 $103 QUESTION 8 You plan to retire in 50 years. You currently have $25,000 saved, and you think you will need $500,000 at retirement What annual interest rate must you eam to reach your goal, assuming you don't save any additional funds (assume annual compounding) 6.17% 12.73% 0 0.10% 570% 7615 500%