Lance's Diner has a hot lunch special each weekday and Sunday afternoon. Food and other variable costs for the lunch are $3.70, and the daily fixed costs are $2,600. Lance has an average of 400 customers per day. What is the lowest price Lance should charge for a special group of 100 that wants to come on Saturday for a family reunion? What should be the lowest price Lance charges on a normal weekly basis? (Round your answer to 2 decimal places.)