Jonathan has a debt of $3,000 that needs to be repaid with 3 annual equal principal repayments with interest on the outstanding balance. The debt has an annual effective interest rate of 8%. In order to match his payment obligations exactly, Jonathan decides to purchase the following zero coupon bonds. Time to Maturity Par Value 1 year $1,000 2 years $ 800 3 years $ 900 Calculate the number of units of the 3-year bond Jonathan should buy, assuming fractional purchase is possible