Problem #02 The standard labour, and the actual labelur employment in a week for a job are as follows Particulars Standard #workers in the gang Standard wages rate per hour (Tk.) Actual # workers employed Actual wages rate per hour (Tk.) Skilled workers 32 3.00 28 4.00 Semi Skilled workers 12 2.00 18 3.00 Unskilled workers 6 1.00 4 2.00 During the 40 hours working week, the gang produced 1,800 standard Laboure hours of work. Please calculate Laboure efficiency variance, Laboure mix variance, Rate of wages variance and Total Laboure cost variance