Please compute the following present values and future values: 1) The future value of $500 invested for 10 years at 10% interest. 2) The future value of $800 invested for 5 years at 15% interest. 3) The future value of $30,000 invested for 20 years at 6%. 1) The present value of $200,000 to be received in 20 years, if discounting at 5%. 2) The present value of $80,000 to be received in 10 years, if discounting at 8%. 3) The present value of $1,000 to be received in 4 years, if discounting at 8%.