Farmer Dan has 10 cows with 100% calf crop. Of the calves there were 5 heifers weighing 475 pounds, and 5 steers weighing 525 pounds. Average cow costs are $250 per year for grazing, $460 a year for winter feed, $10 per head for health costs (both cows and calves) and $20 per year per cow for breeding. 1. What is the breakeven cost of calves for this group