Please explain all work (not with excel)

QUESTION 9 -1BM has bonds outstanding paying 10.5% that mature 7 years from now. The coupon payments are made semi-annually. The par value is $1000 and the yield to maturity is 10% What is the current price of the bond? O 1,025 1,000 O 1,250 O 1,038 978 QUESTION 10 The price sensitivity of a bond increases in response to a change in the market rate of interest as the: Coupon rate increases Time to maturity decreases Coupon rate decreases and the time to maturity increases Time to maturity and coupon rate both decrease. Coupon rate and time to maturity both increase