please solve for the inccorect answer. i tried 901, 901.5, and 902 and it says wrong. the second picture is the one i need the answer for.

This is Section 5.2 Problem 30: John is 28 years old and plans to retire at 67. He wants to have a fund at 67 that will let him spend $4,500 a month after retirement, and last for 45 years. Assume a continuous money flow. Answer the following Round your answers at the last step) to integers (a) Suppose that after his retirement John puts the money in a fund paying terest at an annual rate of 4.2%, compounded continuously. Then John will need $1091470 for his retirement (b) Suppose that both starts to invest a fed amount each month from now until he retires, in a fund that pays interest at an annual rate of 6.2%, compounded continuously. Then he should invest This is Section 5.2 Problem 34 x each month in order to have the same amount when he retires at 67 Refer to Exercise 30. If John wait until he is 35 to start investing for his retirement, then he needs to invest $ 3015 (Round the answer to an integer at the last step.)