please answer all 4 multiple choice questions (check allows me to submit 4)

What is the present value of an annuity of $25 to be received at the end of each month for 15 years if the discount rate is 6% APR? $2,251.84 $2,561.87 $2,962.59 $3,489.52 $3,880.17 What is the APR on a loan of $83,770 for 16 years, which has a payment of $840 every month? 9.30% 8.79% 7.75% 9.55% .775% Consider a 10-year loan for $100,000 with annual payment of interest plus equal principal reduction. What is the first payment amount if the interest rate is 6.547 $13.500 $14,500 $15,500 $16,500 $17.500 Limited liability exists for proprietors. True False