//Exa 14 clc; clear; close; // given data : ST=3200;//in hours AT=3000;//in hours SR=1.5;//in Rs/Hour IT=100;//in Rs/Hour AWP=6000;//in RS AR=AWP/AT;//in Rs/Hour //Labour Cost variance LCV=(ST*SR)-(AT*AR) //Labour Efficiency variance AT1=AT-IT;//idle time is deducted to calculate real efficiency LEV=SR*(ST-AT1);// in Rs //Labour Rate variance LRV=AT*(SR-AR);// in Rs //Labour Idle Time variance ITV=IT*SR;// in Rs disp(LCV,"Labour Cost variance : ") disp(LEV,"Labour Efficiency variance : ") disp(LRV,"Labour Rate variance : ") disp(ITV,"Labour Idle Time variance : ") disp("Negative variances indicate adverse value "); disp("Positive variances indicate favourable value ");