Mortgage loan amount: $100,000.00

Monthly payment: $1,028.62

Term: 30 years

What is the interest rate for this loan?

Suppose you can save $910.42 annually, and you need to have $12,000 in 10 years. What rate of interest would you have to earn to reach your goal?

Given the following information for a stock,

Variance=0.6

Beta=1.2

Residual variance=0.2

what is the non-diversifiable proportion of the stock is the variance of the market portfolio is 0.3?