A single-phase transformer is rated 104/286 V, 7.46 kVA. Leakage reactance, measured from the low potential side, is 0.76 Ω. Determine the p.u. leakage reactance.
A) 0.0073 pu
B) 0.0092 pu
C) 0.0110 pu
D) 0.0136 pu