Lin Corporation has a single product whose selling price is $140 per unit and whose varlable expense is $70 per unit. The company's monthly fixed expense is $31,800. Required: 1. Calculate the unit sales needed to attain a target profit of $6,700. (Do not round intermediate calculations.) 2 Calculate the dollar sales needed to attain a target profit of $9,600. (Round your intermediate calculations to the nearest whole number.)