need help with thsi

Need help with the amounts

M3-3 (Algo) Identifying Accrual Basis Revenues [LO 3-2) The following transactions are July activities of Bars Extreme Bowing. Incorporated, which operates several bowling centers. If revenue is to be recognized in July, Indicate the amount Amount Activity Bis collected $21.000 from customers for services related to games played in July b Bars biled a customer for $600 for a party held at the center on the last day of July. The bill is to ibo paid in August The men's and women's bowling leagues gave Bits advance payments totaling $2,150 for the Fall season that starts in September a Balls received $2,350 from credit sales made to customers last month in June)