Record the journal entries for the sales transactions of Coffee Bean Cafe for the month of May (Perpetual System): 1. Sold $7,000 of ground coffee (retail price) to corporate customer on account. Estimated returns are usually 3%. Cost of the coffee was $5,000. 2. 1 week later, the corporate customer returned $210 of the coffee beans saying they didn't like the taste 3. At the end of the month, the corporate customer paid the remaining balance on account