Lin Corporation has a single product, whose selling price is $200 and whose variable cost is 60% of sales price. The companys monthly fixed expenses are $60,000. Required: 1. Using the equation method, compute the unit sales that are required to earn a target before-tax profit of $10,000. 2. Using the contribution margin approach, compute the dollar sales that are required to earn a target before-tax profit of $15,000. (Do not round intermediate calculations. Round your final answer to the nearest whole dollar amount.)