Tony could earn $90,000 per year teaching economics. He estimates that his capital investment in the business is $50,000. He financed this investment with credit card debt that charges an interest rate of 12% per year. Tony's economic profit is $. Enter your answer as an integer without a $ sign, comma, or decimal point. Please type the correct answer in the following input field, and then select the submit answer button or press the enter key when finished. Your