How do I journalize the following transactions?

Sales on account. $1,950,000
Sales Returns and Allowances, $150,000
Collections from customers, $1,800,000
Accounts written off, $35,000
Previously written off accounts of $7,000 were collected

1. Debit Accounts Receivable for the amount
Credit Sales Revenue for the amount

2. Debit Sales Returns and allowances for the amount
Credit Accounts Receivable for the amount

3. Debit Cash for the amount
Credit Accounts Receivable for the amount.

4. Debit Bad Debt Expense for the amount
Credit Accounts Receivable for the amount

5. Debit Accounts Receivable for the amount
Credit Bad Debt expense for the amount

Debit Cash for the amount
Credit Accounts receivable for the amount