The standard material cost to produce a ton of chemical X is given below:

300 kg of material A @ Rs.10 per kg

400 kg of material B @ Rs.5 per kg

500 kg of material C @ Rs.6 per kg

During a particular period, 100 tons of mixture X was produced from the usage of

35 tons of material A @ Rs.9, 000 per ton

42 tons of material B @ Rs.6, 000 per ton

53 tons of material C @ Rs.7, 000 per ton

Calculate material cost, price, and usage and mix variances.