Can you show me using a formula or the ti84 Calc step by step

Beauty Corp. is planning to add manufacturing capacity by installing new high-tech machines. The machines would increase revenues by $200,000 per year and increase costs by $50,000 per year. The new machines cost $560,000 and would fully depreciated at the time of purchase. Investment in net working capital of $30,000 would be required at the time of installation. The firm is planning to keep the machines for 7 years and then sell them for $80,000. The firm has a required rate of return on investment projects of 13% and a marginal tax rate of 25%. Find the terminal cash flow. $30,000 $80,000 $90,000 $60.000