13. A 25-year loan is available at 8.5% interest. What is the loan constant? 14. A 30-year loan is available at 9% interest. What is the loan constant? A property has the following financial figures: Gross Potential Income $575,000 Annual Operating Expenses $142,000 Annual Debt Service $200,000 Required Return on $60,000 Current Investment (Questions 15-16) = 15. What is the minimum break-even point? 16. What is the investor's break-even point? = A property has the following financial figures: Gross Potential Income = $1,575,000 Annual Operating Expenses $542,000 Annual Debt Service $645,000 Required Return on $100,000 Current Investment (Questions 17-18) 17. What is the minimum break-even point? 18. What is the investor's break-even point