4. Madeline Rollins is trying to decide whether she can afford a loan she needs in order to go to chiropractic school. Right now, Madeline is living at home and works in a shoe store, earning a gross income of $820 per month. Her employer deducts a total of $145 for taxes from her monthly pay. Madeline also pays $95 on several credit card debts cach month. The loan she needs for chiropractic school will cost an additional $120 per month. Help Madeline make her decision by calculating her debt payments-40-income ratio with and without the college loan. (Remember the 20 percent rule.) 105.3) 5. Joshua borrowed $1.000 for one year and paid $100 in interest. The bank charged him a $10 service charge. What is the finance charge on this loan? (105.4) 6. In Problem S. Joshua borrowed $1,000 on January 1, 2021, and paid it all back at once on December 31, 2021. What was the APR?( 105.4) 7. If Joshua paid the $1,000 in 12 equal monthly payments in problems, what is the APR 105.4