Hi. Can you please help me solve these questions in detail? The answer for question 19 is $3,669.09 question 20 is $68,058.06 and for question 21 is $26,442.21. Thanks in advance!

19. Mike wants to renovate his flat in Newark, NJ. He will take out a loan for $20,000. Since he's mostly Jmucunemployed, he will have to take out the loan from the local loan shark at 18% per month financed fineover a 2-year period. Interest is compounded monthly and payments are made at the end of each month. What will Mike's monthly payment be? 1010 20. In reference to problem 19, what will the total interest be on this loan at the end of the 2-year loan period? 2361 21. In reference to Mike's renovations (problem 19), how much interest will Mike save if he pays off the loan shark in one year