A firm is planning to issue a callable bond with $8\%$ coupon and $10$ years to maturity. A straight bond with similar coupon is priced at $$1,000.$ If the value of the issuer's call option is estimated to be $$60,$ what is the value of the callable bond?

A$)$ $$940$

B$)$ $$970$

c$)$ $$1,000$

D$)$ $$1,060$