Carla Vista T Corporation is comparing two different options. Carla Vista T currently uses Option $1,$ with revenues of $$59,000$ per year, maintenance expenses of $$4,500$ per year, and operating expenses of $$23,400$ per year. Option $2$ provides revenues of $$54,000$ per year, maintenance expenses of $$4,500$ per year, and operating expenses of $$19,800$ per year. Option $1$ employs a piece of equipment which was upgraded $2$ years ago at a cost of $$15,000.$ If Option $2$ is chosen, it will free up resources that will bring in an additional $$3,500$ of revenue. Complete the following table to show the change in income from choosing Option $2$ versus Option $1.$ Designate sunk costs with an $"S"$ otherwise select $"$NA$".($Enter negative amounts using either a negative sign preceding the number $($e$.$g$.,-45)$ or parentheses $($e$.$g$.,(45)).)$