Joe quits his computer programming job, where he was earning a salary of $65 comma 000 per year, to start his own computer software business in a building that he owns and was previously renting out for $28 comma 000 per year. in his first year of business he has the following expenses: salary paid to himself, $40 comma 000; rent, $0; and other expenses, $30 comma 000. find the accounting cost and the economic cost associated with joe's computer software business. (enter numeric responses using an integer.)