ABC's bonds will be mature in $10$ years. The bonds have a face value of $$1,000$ and a coupon rate of $10\%,$ paid annually. The price of the bonds is $1,100.$

a$.$ What is the yield to maturity?

b$.$ if the bonds are callable after $5$ years with a call price of $1500,$ what is the yield to call? $($answer in $\%.$ For example, it it is $8\mathrm{.}5\%,$ input $8\mathrm{.}5,$ not $0\mathrm{.}085)$