Josh is receiving 25,000.00 pesos from his grandfather yearly and has decided to invest it next year to a fund manager with an average 12% rate of return per year. a. How much will Josh received in...

Josh is receiving 25,000.00 pesos from his grandfather yearly and has decided to invest it next year to a fund manager with an average 12% rate of return per year.

a. How much will Josh received in 7th year if he plans to add 5,000.00 pesos per year on the succeeding years?
b. How much rate should he add in his yearly savings to have 200,000.00 pesos in the 5th year?