Peru Industries began operations on January 1, 2020. During the next two years, the company completed a number of transactions involving credit sales, accounts receivable collections, and bad debts (assume a perpetual inventory system). These transactions are summarized as follows: 2020 1. Sold merchandise on credit for $2,280,000, terms n/30 (COGS =$1,258,000 ). 2. Wrote off uncollectible accounts receivable in the amount of $34,600. 3. Received cash of $1,354,000 in payment of outstanding accounts receivable. 4. In adjusting the accounts on December 31 , concluded that 1.5% of the outstanding accounts receivable would become uncollectible. 2021 1. Sold merchandise on credit for $2,982,000, terms n/30 (COGS =$1,619,000 ). 2. Wrote off uncollectible accounts receivable in the amount of $53,900. 3. Received cash of $2,246,000 in payment of outstanding accounts receivable. 4. In adjusting the accounts on December 31 , concluded that 1.5% of the outstanding accounts receivable would become uncollectible. The company uses the allowance method to account for uncollectible. Question: For year 2021 1a). Record the sales 1b). Record cost of sales 2. Record written off uncollectible accounts 3. Record collections from credit customers 4. Record the estimate for uncollectible accounts