18. The present value (t =0) of the following cash flow stream is $8.178.17 when discounted at 12 percent annually. What is the value of the MISSING (t = 2) cash flow? 1 2 ----- - -- $0 $4,000 $? $2,000 $2,500 d. $3,500.00 $4,000.00 $2,000.00 $ 2,500.00 $ 3,000.00 19. If you buy a factory for $600,000 and the terms are 20% down, the balance to be paid off over 30 years at a 12% rate of interest on the unpaid balance, what are the 30 equal annual payments? $ 74,486.19 d. $ 60,918.04 $ 59,588.96 $ 58,647.55 $ 62,871.48 e