Answer please

Problem 4-7 (IAA) Raven Company started business in March 2019. Sales for the first year totaled P4,000,000. The entity priced its merchandise to yield a 40% gross profit based on sales. Industry statistics suggest that 10% of the merchandise sold to customers will be returned. The entity estimated sales returns based on the industry average. During the year, customers returned goods with sale price of P300,000. Required: Prepare journal entries to record sales, sales returns and the year-end adjusting entry for estimated sales returns