Atheater manager is planning an upcoming concert. regular tickets will cost $12 and student tickets will cost $8. the theater can seat at most 200 people. the manager wants to collect at least $1000 from ticket sales. let x represent the number of regular tickets sold. let y represent the number of student tickets sold. select all inequalities that represent constraints for this situation. 12x 8y≤100012x 8y≤1000 x y≥200x y≥200 12x 8y≤20012x 8y≤200 x y≤200x y≤200 12x 8y≥1000