Three loads are connected in parallel across a single-phase source voltage of \(240 \mathrm{~V}\) (RMS).

Load 1 absorbs \(12 \mathrm{~kW}\) and \(6.667 \mathrm{kVAR}\);

Load 2 absorbs \(4 \mathrm{kVA}\) at \(0.96 \mathrm{PF}\) leading;

Load 3 absorbs \(15 \mathrm{~kW}\) at unity power factor.

Calculate the equivalent impedance, \(Z\), for the three parallel loads, for two cases:

(i) Series combination of R and X, and (ii) parallel combination of R and X.