Review the following transactions: A. On March 2, Olinda Pet Supplies receives advance cash payment from a customer for 30 dog food dishes (from their Dish inventory), costing $30 each. Olinda had yet to supply the dog food bowls as of March 2. B. On April 4, Olinda provides all of the dog food bowls to the customer. Prepare any necessary journal entries for Olinda Pet Supplies. If an amount box does not require an entry, leave it blank.