I need help with this question.

Lin Corporation has a single product whose selling price is $155 per unit and whose variable expense is $81 per unit. The companys monthly fored expense is $23.580 Required: 1. Calculate the unit sales needed to attain a target profit of $4,500. (Do not round intermediate calculations.) 2 Calculate the dollar sales needed to attain a target profit or $9.500 (Round your intermediate calculations to the nearest whole number.) 1 2 Units sales to attain target profit Dollar sales to attain target profit