Jay sold his plumbing business to Eric in 2017. As part of the cash deal, Eric paid Jay $5,000 in 2017 in exchange for Jay agreeing to not open another plumbing business in within 25 miles for 2 years. Eric also paid Jay $20,000 for plumbing equipment and $30,000 for Jays customer list. Jay originally purchased the plumbing equipment for $40,000, and fully depreciated the equipment in prior tax years. Eric also agreed to pay Jay $10,000 each year beginning in 2017 for consulting provided by Eric during the transition to new ownership. Consider 2017-2020 tax issues for Eric, providing details on amount of deductions, and which year deducted (assume Eric wants to deduct everything as fast as possible).