Which is the best buy for cooking oil?
Correct answer: A. 1 litre for ₱85
Compare the price per litre: ₱85 for 1 L; 500 mL at ₱45 is ₱90 per litre; 1.5 L at ₱135 is ₱90 per litre; 250 mL at ₱24 is ₱96 per litre. The 1-litre bottle has the lowest unit price.
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