"Using the Rule of 72, how many years does it take to double a $8,050 investment when interest rates are 5.0% per year?" O 13.7 20.0 28.8 40.0 14.4 15.1 "The FIN340 Company reported a debt-to-equity ratio of 0.30 times at the end of 2018; If the firm's total debt at year-end was $8,900,000, how much equity does the FIN340 Company have?" O "$20,766,667" "S12,714,286" "S6,230,000" "$38,566,667" "S29,666,667" "$2,670,000