19. JCS Enterprises has three business segments: Audit, tax, and consulting. JCS recently reported segment operating income, revenue, and invested assets as follows: Audit Operating income $200,000 $500,000 $400,000 Revenue $1,000,000 $1,500,000 $1,200,000 Assets $20,000 $40,000 $50,000 Tax Consulting Use the DuPont Formula to determine the return on investment for the three business segments. Which segment is performing better