On the night of April 18, 1775, hundreds of British troops marched from Boston to nearby Concord in order to seize an arms cache. Paul Revere and other riders sounded the alarm, and colonial militiamen began mobilizing to intercept the Redcoat column.
I believe it is A) Input because input costs means the cost of direct material, direct labor, and other overhead items devoted to the production of a good or service.