Sales reps at Cloud Kicks (CK) need to see the Opportunity amount with the Account's...

In Salesforce, when a custom formula field is created on an Opportunity, the formula uses the Opportunity's currency for calculations. This is particularly important in organizations using multiple currencies, as it ensures that calculations remain consistent with the record on which the formula is defined. Therefore, the formula field will display the value in the Opportunity’s currency, regardless of the Account’s currency.

Salesforce Documentation References:

Multi-Currency and Formula Fields

Formula Fields and Currency Considerations