Can you show me how to solve this question using a TI-84 Calculator please!

Due to a number of lawsuits and higher costs related to coronavirus, Royal Caribbean Cruise Companys credit ratings were recently downgraded by the rating agencies from BBB to B. The firm has bonds outstanding that it issued 8 years ago at their par value of $1,000. These bonds have 14 years to maturity and a coupon rate of 6 percent, with interest paid semiannually. The required return on these bonds has jumped to 14 percent.

A. What is the current value of one of these bonds?______________________________ B. If your required return to invest in Royal Caribbean bonds is 15.6%, do you want to buy these bonds at the current market price? C. What is the lowest price you would pay for Royal Caribbean bonds if your required return is 15.6%