Question

find the size of each 5 payments made at the end of each year into a 6% rate sinking fund which produces 76000 at the end of 5 years

Answer 1

let the payment be P
P( 1.06^5 - 1)/.06 = 76000
P(.63709296)
P = 13482.13

Answer 2

This does not help at all.