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A physical quantity A is related to four observable a, b, c and d as follows, $A=\frac{{a}^{2}{b}^{3}}{c\sqrt{d}}$, the percentage errors of measurement in a, b, c and d are 1%,3%,2% and 2% respectively. What is the percentage error in the quantity A

(1) 12%

(2) 7%

(3) 5%

(4) 14%