Waterways has a sales mix of sprinklers, valves, and controllers as follows. Annual expected sales: | | | Sale of sprinklers | | 383,334 units at $26.00 | Sale of valves | | 1,405,558 units at $11.00 | Sale of controllers | | 36,508 units at $43.00 | Variable manufacturing cost per unit: | Sprinklers | | $14.00 | | | Valves | | $8.00 | | | Controllers | | $30.00 | | | Fixed manufacturing overhead cost (total) | | | | $779,000 | Variable selling and administrative expenses per unit: | Sprinklers | | $1.00 | | | Valves | | $1.00 | | | Controllers | | $3.00 | | | Fixed selling and administrative expenses (total) | | | | $1,598,350 | | | | |