A company$$s debentures of the face value of Rs $100$ bear an $8$ per cent coupon rate. Debentures of this type currently yield $10$ per cent. What is the market price of debentures of the company? Question $3$Answer a$.$ Rs$\mathrm{.}70$ b$.$ Rs$\mathrm{.}90$ c$.$ Rs$\mathrm{.}80$ d$.$ Rs$\mathrm{.}88$