Dickens Co. sells three styles of Christmas trees - past, present and future. Fixed costs total 3,900 per year. The following information is available:
Selling Price per tree: 11 (Past), 15 (Present), 17 (Future)
Number of trees sold: 1000 (past), 2000 (present), 2000 (Future)
variable cost per tree: 6 (past), 12 (present), 16 (future)
How many trees (in total and of each style) must be sold annually to break even?