part $1$ Microsoft Corporation just issued $$1,000,10\%$ bonds with a maturity in $8$ years. The bonds pay interest semi$-$annually. The current market YTM is $11\%.$ Is this bond selling at par, a premium or a discount? What is the current market value of this bond?

part $2$ Using the information in #$1$: Supposed $2$ years has passed since Microsoft issued its bonds. The current market interest rate is $8\mathrm{.}50\%.$ Is this bond going to sell at par, a premium or a discount? What is the current market value of this bond?

$2.$ Wal$-$Mart has just issued $$800$ bonds with a $5\%$ coupon and a $30$ year maturity. The bonds pay interest semi$-$annually. The current market interest rate is $5\mathrm{.}50\%.$ Is this bond selling at par, a premium or a discount? What is the price at issue of these bonds?