please help as fast as possible we dont have much time thanks

Question 1) Siogo Shoes has the following transactions in February: Feb 5 Siogo Shoes purchased 100 pairs of shoes at the price of $50 each pair on account, terms 5/10, 1/30. Feb 8 Sole Mates returned 20 pairs of shoes to the seller because they were the wrong size. Feb 15 Sole Mates paid the remaining balance due to Siogo Shoes. Required: 1- Assuming Siego Shoes uses perpetual inventory system and gross method, please journalize the transactions. (15 points) 2- Assuming Siego Shoes uses perpetual inventory system and net method, please journalize the transactions the transactions. (15 points) Question 2) (25 points) Decorative Steel has the following information: Beginning Inventory Jan 1, 2016: $600,000 Purchases made during the year 2016: $1,200,000 Ending Inventory on December 31, 2016: $500,000 Required: Compute cost of goods sold for the year 2016 assuming the company uses a periodic inventory system and post the journal entry got December 31, 2016