Dish(media) has a 5 year corporate note outstanding that trades in the secondary market. The coupon on the note is 5.875%(semi-annual payment). The security is priced at 94 per $100 par. Derive the current yield, the yield-to-maturity(US convention and global or effective annual convention), and estimate the credit risk of the firm(i.e, high-grade@3.2%, medium-grade@4.2% or low-grade@6.8) based on the US convention applicable to the yield-to-maturity.

a) Current yield

b) Yield-to-maturity

c) Yield-to-maturity(global convention or effective annual yield)

d)Implied credit risk of Dish from market pricing