Payoff Progress of an Amortizated Loan

15 years ago I took an education course for becoming a Certified Financial Planner from Northwestern University. ⊕Which is bullshit, NU rents its prestige to an independent training company. This was before the popularization of fee-only financial planners and I didn’t want to learn how to manage my finances from salespeople. I also had no interest in working as a CFP, so I didn’t take the exam…