A sales agent earns a 5% commission. How much commission does she earn on sales of ₱36,000?
Correct answer: C. ₱1,800
5% of ₱36,000 = 0.05 × 36,000 = ₱1,800. Quick method: 10% is ₱3,600, and half of that is ₱1,800, which is 5%. Commission is always worked out on the amount of sales.
easy