If the interest rate is 6%, which of these investments would you prefer? A payment of $40 every year for 20 years starting in one year's time. A perpetuity of $30 every year starting in one year's time. A payment of $342.17 today A single payment of $500 in year 3. What are the annual sales for a firm with $500,000 in debt, a total debt ratio of 0.5, and an asset turnover of 4? $4,000,000 $3,000,000 $1,800,000 $1,200,000