Felice bought a duplex apartment at a cost of $160,000. Her mortgage payments on the property are $1,900 per month, $909 of which can be deducted from her income taxes. Her real estate taxes total $2,496 per year, and insurance costs $1,428 per year. She estimates that she will spend $1,548 each year per apartment for maintenance, replacing appliances, and other costs. The tenants will pay for all utilities. What must she charge to make $2,950 in profit each year? (Do not round intermediate calculations. Round your answer to 2 decimal places. Ignore any tax effects.) Answer is complete but not entirely correct. Suppose Shaan invested just $40,000 of his own money and had a $99,000 mortgage with an interest rate of 8.5 percent. After three years, he sold the property for $165,000 (a) What is his gross profit? (b) What is his net profit or loss? (Input the amount as a positive value.) (c) What is the rate of return on investment? (Negative amount should be indicated by a minus sign. Enter your answer as a percent rounded to 1 decimal place.)