Refer to the Figure Shown

question 6

Multiple Choice

Refer to the figure shown.
Which substance is mostly likely being pumped at A?

• A) Na⁺
• B) H⁺
• C) K⁺
• D) ATP

---

Definitions:

Allowance Method

An approach in accounting that calculates expected losses from bad debts by assessing uncollectible accounts at the conclusion of each period.

Estimated Bad Debts

A provision in accounting for the amount of receivables that are expected not to be collected, considered an expense.

Accounts Receivable Turnover

A financial ratio indicating how many times a company's receivables are turned over during a period.

Specific Accounts

Refers to accounts designated for specific purposes or transactions, distinguishing them from general or combined accounts.