hello looking for assistance with these 2 questions. please see attachment below for questions.

1. Find the present value of the following mixed stream of cash flows using a discount rate of 15%. Assume the cash flows are received at the end of each year. Year Cash Flow Stream 1 8,000 2 1,000 3 3,000 Present Value ($)equals= (Round to the nearest cent.) 2. For the following mixed stream of cash flows, determine the future value at the end of the final year if deposits are made at the beginning of each year into an account paying annual interest of 12%, assuming no withdrawals are made during the period. Year Cash Flow Stream 1 11,000 2 9,300 3 6,900 Present Value ($)equals= (Round to the nearest cent.)