A man wishes to accumulate $50000 by making level monthly end of month contributions for 20 years into an account that earns 4.5% interest annually convertible monthly. After 5 years the interest rate increases to 5.4% annually convertible monthly. What should the new monthly contributions be if he still wishes to accumulate $50000 at the end of 20 years

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions