please write it out with pen, dont type. Thanks

Problem \#1: For the following cash flows, (receipt of 10,000 at t=0; payment of 15,000 at t=1; receipt of 12,000 at t=2; and receipt of 12,000 at t=6 ), various interest rates are applied: 3% for year 1;4% for year 2,5% for years 3 and 4 , and 6% for years 5 and 6 . Find the equivalent net value at t=5, i.e., Fs=