please show calculator work, step by step

\#2. You are offered a bullet loan of 750,000 at 5.5% for 36 months with 2 points. What is your expected financing cost expressed as an EAR assuming you make monthly interest only payments and repay the loan at month 36 ? If you choose to make payments of $5000 per month, and then repay the balance at month 36, what will your expected financing costs (expressed as EAR) be? Why are these different