Correct Answer: Option B

Explanation

Total surfaced area of a cupboard = 2(lb + lh + bh)
l = length h = height b = base
l = 12cm h = 10cm b = 8cm
T.S.A  = 2(\(12 \times 8 \times + 12 \times 10 + 8 \times 10\))
= 2\((96 + 120 + 80)cm^2 = 592cm^2\)

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