Assignment is on going so please do hurry and solve the both questions

Due to sudden flood caused by heavy rain, ABC incorporated lost all their inventory in April 29, 2020. Their accounting record showed the following data for March and April of 2020. ABC needs to prepare a report for the insurance company to claim damages. March Net Sales 500,000 Beginning Inventor 27,000 Purchases 355,000 Purchase returns ar 11,700 Purchase discounts 7,500 Freight-in 7,600 Ending inventory 34,000 April 575,000 ? ? 400,000 12,900 8,200 8,300 ? Compute the following: a. Gross profit rate for March, 2020. b. Determine the cost of inventory lost in fire in April using the gross profit rate from March