Engineering Economy:

1. Moana deposits her annual bonus into a savings account that pays 6% interest compounded annually. The size of the bonus increases by $1,000 each ear, and the initial bonus amount is $3,000. Determine how much will be in the account immediately after the fifth deposit.
2. A man inherited P120000 every end of 4 months for x years. However, he may choose to get a single lump of P42029393.65 at the end of 5 years. If the rate of interest was 16% compounded quarterly, what is the value of x?