5 a) Jaya Ltd has al4 percent debenture with a face value of Tk 100 that matures at par in 15 years. The debenture is callable in five years at Tk 114. It currently sells for Tk 105. Calculate the following for this debenture: i) Current yield ii) Yield to call ili) Yield to maturity. b) Assume a Tk 1000 par value bond with crcent coupon rate and maturity period of 6 years. Determine the duration of the bond, if the current market interest rate is 10 percent