The formula to calculate the specific gravity of bitumen is given by \(\frac{c-a}{(b-a)-(d-c)}\). Which of the below symbol and explanations is incorrect?

• A. a – weight of specific gravity bottle
• B. b – weight of specific gravity bottle filled with distilled water
• C. }\). Which of the below symbol and explanations is incorrect?a) a – weight of specific gravity bottleb) b – weight of specific gravity bottle filled with distilled waterc) c – weight of specific gravity bottle filled with bituminous material
• D. d – weight of specific gravity bottle half filled with bituminous material and rest with water