bulk purchases just purchased a new warehouse. to finance the purchase, the firm arranged for a 25-year mortgage for 80 percent of the $1,800,000 purchase price. the monthly payment is $10,800. what is the apr? the ear? group of answer choices 7.72%; 8.03% 7.72%; 7.94% 7.67%; 8.03% 7.75%; 8.03% 7.67%; 7.94%