Considering all costs, the cheapest source of energy for domestic use is? by Sunday | Jun 6 | Agricultural Science WAEC | 0 comments A. electricity B. sunlight C. biogas D. water Correct Answer: Option B B. sunlight Users Also Read These:BY definition, variable cost (VC) is related to…Total variable costs incurred during the week are?The channel through which all government borrowing…The national income of a country indicates that the…The cheapest mode of transportating imported cars…