measurements

Wick size is 90cmx70cmx30cm =1890cm The thickness of the of the wick was 50mm 3.5yards =36p/yard

3.5x36 = £1.26 for one layer, which burns for 15 minutes approximately. 7x36 = £2.52 for 2 layers which burns for 30 minutes approximately.

The increase in price is more cost effective as there is no wastage in the usage of the wick, as it can be extinguised and not left to burn out, therefore giving increased usage and no waste.