Answer:
4,000
Explanation:
Break even quantity = fixed cost / price - variable cost per unit
Total revenue = price x quantity sold
$2 x 5,500 = $11,000
Variable cost = 0.2 x $11,000 = $2,200
Variable cost per unit = $2,200 / 5500 = $0.4
 $6,400 / $2 - $0.4 = 4,000