During the month of September, the Texas Go$-$Kart Company had the following business activities:

a$.$ On September $1,$ prepaid rent on the track facility for six months at a total cost of $$12,000.$

b$.$ On September $1,$ received $$60,000$ in advance 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 $$2,000$ 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 $$3,000,$ to be paid the first Monday following the end of the month.

Required:

Prepare the journal entry, if any, required to record each of the initial business activities on September $1.$

Prepare the adjusting journal entries, if any, required on September $30.$