An ammeter, suspected to give inaccurate reading, is connected in series with a silver voltameter. The ammeter indicates `0.54 A` . A steady current passed for one hour deposits `2.0124 gm` of silver . If the E.C.E . of silver is `1.118xx10^(-3) gmC^(-1)`, then the error in ammeter reading is
A. `+0.04 A`
B. `+0.02 A`
C. `-0.03 A`
D. `-0.01 A`