Water cut is given by which of the following formula?

• A. fw = 1 ∕ (1+(KoBw.μw) ∕ (KwBo.μo))
• B. fw = 1 ∕ (1+(KwBo.μw) ∕ (KwBo.μo))
• C. fw = 1+(KwBo.μw) ∕ (KwBo.μo)
• D. fw = 1+(KoBw.μw) ∕ (KwBo.μo)