The formula to calculate Passche price index is (o is the base year and n is the given year) ?

• A. P = ΣPnqn/Σpoqn
• B. P = ΣPoqo/Σpnqn
• C. P = ΣPnqo/Σpoqo
• D. P = ΣPnqn/Σpoqo