The cheapest method of taking a large number of copies using stencil is called:AStencil cuttingBStencil duplicatingCManifoldingDNone of the aboveAnswer: B. Stencil duplicating Read Explanation: The cheapest method of taking a large number of copies using stencil - Stencil duplicatingDuplicators are used for taking multiple copies of the stenciled matterFirst duplication machine was invented by James Watt ( in 1780 )Duplicator is otherwise known as Multicopier Read more in App