4. At a break-even point of 400 visits, variable expenses were $4,000 and fixed experses were $2,000. What will the net profit at 600 visits? A. $0 B. $5 C. 51000 D. $200 4. At a break-even point of 400 visits, variable expenses were $4,000 and fixed experses were $2,000. What will the net profit at 600 visits? A. $0 B. $5 C. 51000 D. $200