Ng Corporation produces and sells only one product its selling price is $100 and its variable cost is $80 per unit. The company monthly fixed expense is $27.000 Required: 1. Using the equation method, determine the unit sales that are required to earn a target profit before tax of $3,000. Unit sales units 2. Using the formula method, determine for the dollar sales that are required to earn a target profit before tax of $4,000 Dollar sales