If you use a financial calculator please type the keys you are punching in sequences, thx

a) The maturity value of a five-month promissory note issued May 31,2013 , is $2134.00. What is the present value of the note on the date of issue if money is worth 6.3% ? b) Sean purchased a 182-day, $10000 T-bill on its issue date for $9754.25. What was the original yield of the T-bill? c) Find the maturity value of a $1190,7.275%,120-day note dated February 5, 2013