please help me with this. thank you.

Based on journal entries below for 2015 and 2016, what is the Retained Earning in 2016? Apply FIFO. 2015 2016 You contributed $60 cash to your You contributed $100 cash to start business business You purchased 2 products@ $15, with You purchased 6 products@$10, with Cash A/P You sold 3 products @$25 with AR You sold 4 products @$30 with cash Record COGS (FIFO) Record COGS (FIFO) You paid $30 to your supplier. You received $50 from your customer. 140 160 120 100 WPC Aa 27