can someone help me with 21-25

21 You have gotten married and just had a baby. Junior will go to college in 19 years. Today, college costs $15,000 per year. If tuition keeps rising by 5% per year, what will junior's first year of college cost, when he/she attends in 19 years? 22 Regarding the previous problem (you got married, had a baby, college in 19 years). Today, college costs $15,000 per year. If tuition keeps rising by 5% per year, what will four years of college cost junior, in total? Hint: it's not just the answer from (21) times four... You would like to buy a $320,000 condo in downtown Colorado Springs. If the bank will require you to provide a 20% down payment, what will be the monthly payment on the 30yr mortgage, if the mortgage interest rate is 4.800%(M)? 1343.14 24 Regarding your condo, five years go by. The condo appreciated 3% each year. What is the value of your home equity? 25 Regarding your condo, five years go by. The condo appreciated 3% each year. Interest rates are now 4.200%{M). You refinance 80% of the market value in a new, 30yr mortgage. How much cash do you have left, after you pay off the old mortgage? 23