What is the Net Present Worth of this investment? Round to the nearest integer.

Laura is considering purchasing a new injection-molding machine for $500,000 to expand her company's production capacity. Before they can install the machine, they must invest an additional $50,000 to do the site preparation. With the new injection-molding machine installed, Laura expects to increase the revenue by $80,000. The machine will be used for seven years, with a salvage value of $70,000. At an interest rate of 10%, would the purchase of the injection-molding machine be justified