MIX Company's controller accidentally erased the 3/1/23 balance for the Accounts Receivable account. However, she can see that the 3/31/23 Accounts Receivable balance is $250,000, the company provided services worth $750,000 on account during March 2023, and collected $900,000 cash related to accounts receivable during March 2023. What was the 3/123 Accounts Receivable balance? a. $1,000,000 b. $400,000 c. $250,000 d. $100,000