Winthrop Company has an opportunity to manufacture and sell a new product for a five$-$year period. To pursue this opportunity, the company would need to purchase a piece of equipment for $$160,000.$ The equipment would have a useful life of five years and zero salvage value. It would be depreciated for financial reporting and tax purposes using the straight$-$line method. After careful study, Winthrop estimated the following annual costs and revenues for the new product:

$\backslash$table$[[$Annual revenues and costs:,$],[$Sales revenues,$$310,000$