Problem:

Kaufman Enterprises has bonds outstanding with a $1,000 face value and 10 years left until maturity. They have an 10% annual coupon payment, and their current price is $1,175. The bonds may be called in 5 years at 109% of face value (Call price = $1,090).

Requirement:

Question 1: What is the yield to maturity?

Question 2: What is the yield to call if they are called in 5 years?

Note: Please explain comprehensively and give step by step solution.