Not satisfied with his current situation, Sheldon increases his service area so that he now has eight possible customers with different willingness to pay for a month of lawn service as depicted in the table below. Customer Willingness to pay for a month of lawn service 1 $180 2 $160 $140 4 $120 UT $100 6 $80 $60 8 $40 Sheldon has the same costs as before: $38 in variable costs and $ 130 in fixed costs. Sheldon must warge each customer the same price, so he needs to decide whether to charge $180, $160, $140, etc. If Sheldon maximizes his profit, he will earn $ (if there are losses, include the negative sign)