Regression analysis was applied between $ sales (y) and $ advertising (x) across all the branches

of a major international corporation. The following regression function was obtained.

y = 5000 + 7.25x

If the advertising budgets of two branches of the corporation differ by $30,000, then what will be

the predicted difference in their sales?

• A.$217,500
• B.$222,500
• C.$5,000
• D.$7.25