The loss will be same as long as current magnitude is same irrespective of what the power factor (pf) of the load current is. Just to clarify consider a single phase 110 V /220 V transformer . Let its Req=eqivalent resistane be 3 ohm (referred to 220 V side). Let it be rated 2.2 kVA.
Actually in the US is the cost of sand is about $11-13/Ton.
NORTH BOARD PRICES SAND & GRAVEL EFFECTIVE: JANUARY 1, 2015 Terms: Prices below are gross prices, an additional Environmental Fee of $.25 per ton will also apply.A discount of $.30 per ton may be taken if invoices are paid by the 10 th of the month following date of delivery.ORTH BOARD PRICES SAND & GRAVEL EFFECTIVE: JANUARY 1, 2015 Terms: Prices below are gross prices, an additional Environmental Fee of $.25 per ton will also apply.