The cost can be decreased by using various cost reduction methods which would result in the lower cost of the product or services.
The cost can be reduced by managing the miscellaneous expenses to an extent but cannot be said as the easiest method to reduce costs.
The shifting from a highly expensive rental premises to a cheaper premises may help reduce the costs easily.
Therefore the easiest category for reduction of costs can be done through renting a cheaper premises and OPTION C is correct.
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