Arthur Company had the following data for the year just ended:
Sales: 4,000 units
Sales price: $60 per unit
Variable cost: $18 per unit
Fixed costs: $42,000
If the company wants to increase its total contribution margin by 40% in the next year, all other factors remaining the same, it will need to increase its sales by:
a) $50,400
b) $67,200
c) $72,000
d) $96,000