Nathan T Corporation is comparing two different options. Nathan T currently uses Option 1, with revenues of $51,000 per year, maintenance expenses of $3,900 per year, and operating expenses of $20,300 per year. Option 2 provides revenues of $47,000 per year, maintenance expenses of $3,900 per year, and operating expenses of $17,200 per year. Option 1 employs a piece of equipment which was upgraded 2 years ago at a cost of $13,000. If Option 2 is chosen, it will free up resources that will bring in an additional $3,000 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).)

		Option 1		Option 2		Net Income Increase (Decrease)		Sunk (S)
Revenues		$		$		$		S or NA
Maintenance expenses								S or NA
Operating expenses								S or NA
Equipment upgrade								S or NA
Opportunity cost								S or NA