An individual is to receive an annuity of $5000 for ten years, at the end of each year. The present value of the annuities is $33550. what is the cost of capital (r) ?
To get the PV you would multiply 5000 by the 10 year cumulative discount factor
Therefore, 10 year cumulative discount factor = 33,550/5,000 = 6.71
Look in body of your cumulative discount tables, going along the 10-year figures until you get as close as you can to 6.71. Then read off the discount rate.