ABC company manufactures a product. It is estimated that for each kg of material consumed 100 articles should be produced. The standard price per kilo of material is Sh.20. During the month of June 2021, 200 kg. of material were issued for production, the price of which was Sh.21 per kg. Production during the month was 20,500 articles.

Required: On the basis of the above information calculate:

Material cost variance,

Material price variance,

Material usage variance,

Material yield variance

and verify your answer.