During the month of September, the Texas Go-Kart Company had the following business activities a. On September 1, paid rent on the track facility for six months at a total cost of $12,600. b. On September 1, received $39,600 for season tickets for 12-month admission to the race track. c. On September 1, booked the race track for a private organization that will use the track one day per month for $2,100 each time, to be paid in the following month. The organization uses the track on September 30 d. On September 1, hired a new manager at a monthly salary of $1,800, to be paid the first Monday following the end of the month