formulas how to do both with explanation (if possible)

thank you!

Match the following Money Markes instruments to the price you think they are being offered in the open market. a 6 month T.-bil yelding about 3* A. 9996 a 1-month Genteral Electic Coenmercial Paper yielding about 2.40% B. 98,5K A 1-year T.bill yleiding abount 3.5016 C. 99.80% A negotiable CD expiring in 3 months, carrying zero interest, but yiding 0.9650 question 4 the 2 year usitnote is currenthy ylelding 3.594... What thould a 2 year bond of General Motors be yleloiru if ther Credit 5 pread is 117 basis points at 2 year 1.514 117N of 76is Unabie to determine gipen the information at hand