Câu 46: Salesforce Certified Platform Developer I

An org tracks customer orders on an Order object and the line items of an Order on the Line Item object. The Line Item object has a Master/Detail relationship to the Order object. A developer has a requirement to calculate the order amount on an Order and the line amount on each Line Item based on quantity and price. What is the correct implementation?

1. A. Write a single before trigger on the Line Item that calculates the item amount and updates the order amount on the Order.
2. B. Write a process on the Line Item that calculates the item amount and order amount and updates the fields on the Line Item and the Order.
3. C. Implement the line amount as a numeric formula field and the order amount as a roll-up summary field. — đáp án hiện tại
4. D. Implement the line amount as a currency field and the order amount as a SUM formula field.