Capital Technologies Inc. began 2017 with inventory of $20,000. During the year, Capital purchased inventory costing $100,000

Question:

Capital Technologies Inc. began 2017 with inventory of $20,000. During the year, Capital purchased inventory costing $100,000 and sold goods for $140,000, with all transactions on account. Capital ended the year with inventory of $30,000. Journalize all the necessary transactions under the periodic inventory system?