Lin Corporation has a single product whose selling price is $140 per unit and whose variable expense is $70 per unit. The company's monthly fixed expense is $31800 Required: 1. Calculate the unit sales needed to attain a target profit of $6,700. (Do not round intermecliate calculotions.) 2. Calculate the dollar sales needed to attain a target profit of $9,600 (Round your intermediate calculations to the nearest whole number.)