Solution :
Variance Calculations Result
Direct material 0.08(300,000 x 4.5 - 1,240,000) 8,800 favorable
usage variance
Direct material 1,240,000 x (0.08 - 0.18) 124,000 unfavorable
price variance
The standard quantity = actual production x standard quantity per unit
= 300,000 x 4.5
= 1,350,000