help please

Suppose a $100,000T-Bond futures contract whose underlying's duration is 7 years and has a current market price of $98.750. Market interest rates are 6 percent foday but are expected to rise to 7.5 percent. What is the expected change in this futures contract's market price as a result of this change in interest rates? $12,577 None of the options are correct $11,179 $12,577 $11.179