Cisco Systems Data for the year ended December 31, 2023:

Item	Amount
Accounts Receivable	$2,000,000
Estimated Uncollectible	6%
Sales	$20,000,000
Cost of Goods Sold	$12,000,000
Operating Expenses	$4,000,000

1. Calculate the allowance for doubtful accounts.
2. Determine the net realizable value of accounts receivable.
3. Discuss the impact on Cisco's net income if no allowance for doubtful accounts was recorded.
4. Explain the significance of the Conservatism Principle in estimating uncollectible accounts.
5. How should Cisco record the adjustment for uncollectible accounts?