PT ABC sells one product, the following information is available for June 2021. 01-Jan Inventory 100 units at a price of 8,000/unit 04-Jan Selling 70 units at a price of 9,500/unit 11-Jan Purchase 200 units at a price of 8,500/unit 13-Jan Sales of 120 units at a price of 10,000/unit 20-Jan Purchase 160 units at a price of 9,000/unit 27-Jan Sales of 110 units at a price of 10,500/unit The company uses the FIFO cost flow assumption, all purchases and sales are made on credit. Requested: a. Assume the company uses a perpetual system prepare the required journal entries b. Calculate gross profit if using perpetual system