Choose from the list below the best control activity to prevent blanket purchase orders that may result in excessive purchases.\ Question 11 options:\ \ 1) \ \ An authorized person from the department making the request must approve the requisition.\ \ 2) \ \ Separate the duties of ordering goods from receiving, payment, and accounting responsibilities.\ \ 3) \ \ Match purchase requisitions with purchase orders and generate an exception report investigation.\ \ 4) \ \ Each blanket purchase order must specify monetary limits and have a specified duration.