I want to know If I need to use a formula

3. Brenda wants to calculate a budget that assumes 200 people will attend the seminar at a cost of $500 per person. In the Budget worksheet, enter these values in the range B5:B6. In cell B7, calculate the total revenue from attendance at the seminar by multiplying the number of attendees and the registration fee per attendee. 3. Brenda wants to calculate a budget that assumes 200 people will attend the seminar at a cost of $500 per person. In the Budget worksheet, enter these values in the range B5:36. In cell B7, calculate the total revenue from attendance at the seminar by multiplying the number of attendees and the registration fee per attendee