1. At the beginning of the year, a fund was established with an initial deposit of $1,000. As of March 1, the fund had risen to $1,020 and a withdrawal of $50 was make. By July, the value of the fund was $990 and an additional deposit of $70 was make. On November 1, the value of the fund was $1,100 and a withdrawal of $120 was made. The amount in the fund as the end of the year was $1050. Calculate the time weighted yield for the fund.

2. The following two investments have the same net present value at i=6.0%

1) Invest 10,000 now and receive 6,000 in two years and $8,000 in 4 years.

2) Invest 5,000 now and receive 3,000 in one year and X in 2 years.

Find X