10. The VA-TX Company has noticed when it advertises, it dramatically increases the amount of customers who buy its product at seminars. With advertising, VA-TX expects the audience to buy the product at a price of $75. The cost of renting a place is $4000/day, utilities included. Moreover, the cost of food and drinks is $5/person. If VA-TX assumes at a minimum it will sell 124 units, what would be the upper bound on advertising dollars (i.c., where would the the company break even?)