Joe quits his computer programming​ job, where he was earning a salary of ​$65,000 per​ year, to start his own computer software business in a building that he owns and was previously renting out for ​$25,000 per year. In his first year of business he has the following​ expenses: salary paid to​ himself, ​$40,000​; ​rent, $0; and other​ expenses, ​$35,000. Find the accounting cost and the economic cost associated with​ Joe's computer software business. ​(Enter numeric responses using an integer.​) The accounting cost of​ Joe's business is ​$ nothing. ​(Enter your response as an integer.​)