How to calculate the modular kitchen cost including GST?

For examples for calculating modular kitchen cost

    • Straight Kitchen 10 ft
    • Base cabinet= 10 ft X 2.5 ft = 25 sqft.
    • Wall cabinet= 5 ft X 2 ft= 10 sqft.
    • Total working area= 35 sqft.
    •  L shaped kitchen 10 ft X 7 ft
    • Base cabinet= (10+7) ft X 2.5 ft= 42.5 sqft.
    • Total working area= 64.5 sqft
  •          Wall cabinet= (7+4) ft X 2 ft= 22 sqft
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