The Biloxi Company has the following cost structure: fixed costs of $70,000 per month and variable costs of $50 per unit. The Birmingham Company has the following cost structure: fixed costs of $60,000 per month and variable costs of $60 per unit. Both companies make the same product, which sells for $100 per unit. There is a sales level at which these two companies earn the same profits. What is that sales level? Which company is more profitable as sales volume exceeds this sales level?