McKinnon Enterprises owns a professional ice hockey team, the rockford program. The company sells season tickets for its upcoming season and receives $96000 cash. The season starts January 1, with five home games occuring monthly over the next six months. what is the balance in the company's deferred revenue at the end of April ? ( assume the deferred revenue account had a zero balance on January 1)

a. $480000

b. $640000

c. None of these

d. $960000

e. $320000