what are the setails for the TVM calculater in the explanation? for example: how is N=20 and I=3.50

Show correct answers 14 A 5.55 percent coupon bond with 10 years left to maturity is priced to offer a yield to maturity of 7.0 percent. You believe that in one year, the yield to maturity will be 6.0 percent. What is the change in price the bond will experience in dollars? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) 0/4.55 points awarded Scored Change in bond price $ 0.09 Explanation Calculation of current bond price: Bond Price = $27.75 x (100320 0.035 $1,000 (1+0,035) $394.394 + $502.566 = $896.96 or TVM calculator: N = 20,1 = 3.50, PMT = 2775, FV = 1,000, CPT PV = -896.96 Calculation of price in one year: 1- Bond Price = $27.75 X 0.03 + $1.000 (1+0.03) = $381.660 + $587.395 = $969.05 or TVM calculator: N=18,1 = 3.00, PMT=2775, FV = 1,000, CPT PV = -969.05 or TVM calculator: N = 18.1 = 3.00, PMT = 2775, FV = 1,000, CPT PV = -969.05 So, the dollar change in price is: $969.05 - $896.96 = $72.09