In a balanced scorecard, the number of good units completed can be

a) a lag indicator from the customer perspective, and a lead indicator from the internal business processes perspective

b) a lead indicator from the customer perspective, and a lag indicator from the financial perspective

c) a lead indicator from the financial perspective, and a lag indicator from the learning and growth perspective

d) a lag indicator from the learning and growth perspective, and a lead indicator from the internal business processes perspective

e) a lead indicator from the customer perspective, and a lag indicator from the internal business processes perspective