Suppose that the marginal tax rate is 25%. if a farmer decides to purchase a combine it will increase his revenue by $7,500 per year, but it will also increase his expenses by $1,500 per year. the before tax rate on this investment is 30%. the life of this investment is 10 years. what is the present value of the after tax net return?

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to: