Lindsay Corp. makes 100 kg containers of vegetable seeds, and has the following unit standard costs for direct materials and direct labour:

Direct materials (100 kg @$1.00 per kg)

$100.00

Direct labour (0.5 hours at $24 per hour)

$12.00

Total standard costs per 100 kg container:

$112.00

The following activities were recorded in June:

1.	1,000 containers were manufactured.

2.	95,000 kg of materials costing $76,000 were purchased.

3.	102,500 kg of materials were used.

4.	$12,000 was paid for 475 hours of direct labour.

There were neither beginning nor ending WIP inventories on hand. Instructions

a)	Compute the direct materials variances.

b)	Compute the direct labour variances.

c)	Suggest rational explanations for each variance.