4. Assume you borrow $85,000 in total for college and have to pay back the loan monthly over a 10-year period. If the rate is 6.5% annually, what is the amount of your monthly loan payment? 4a) Based on the Payment calculated above, how much will the remaining loan balance be after 5 years? 4b) Recalculate both "4" and "4a" assuming a lower rate of 4.5% annually quantifying the difference a lower interest rate makes. 5. Would you rather receive: $5,500 at the end of three years, $1,200 per year for 7 years or $750 per year for 15 years if the discount rate is 20%? 5a) Would your answer change if the discount rate is 2%? If the answer does what in