Please show how to solve using a financial calculator. Thank you

MD INC is weighing a lease versus a purchase of $312,000 of fixed assets. The assets would be depreciated to zero over their 4-year life after which time they can be sold for an estimated $76,000. The firm uses straight-line depreciation and can borrow at 8 percent. The equipment can be leased for $66,000 a year for four years. The firm does not expect to owe any taxes for the next five years because of its operating losses. What is the net advantage to leasing