7. Jakob Corporation has the following information pertaining to the purchase of a new piece of equipment: Cash revenues less cash expenses $55,000 per year Cost of equipment Salvage value at the end of the 10th year Increase in working capital requirements $190,000 $25,000 $30,000 Tax rate Life 40 percent 10 years Cost of capital is 15 percent. Required (use excel): v. Calculate the net present value (NPV). vi. Calculate the internal rate of return (IRR)