Write out formulas please! Thanks

Question 6 You decide to invest in $7,250,000.00 of Bankers Acceptance due in 280 days and quoted at 7.000%. You finance the investment with a repo at 6.250% over the same period. Your initial investment in the Bankers Acceptance is Type: Calculated Points Awarded: 1/5 Your Answer(s): $ $ 7250000 on which you earn interest of $ 394722.222 * You pay interest of $ 477795.1389 * thereby making a profit of $ -83072.916 * Was this a smart investment? (Yes/No) No