Which of the following are true of material requirements planning inputs?

Multiple select question.

Each operation will have a standard time for setup and per$-$unit operation run time.

Each open shop order will be considered projected on$-$hand inventory before its due date.

Each fabricated or assembled item will have a configuration file that shows the operations necessary and the components used.

Each item in stock should have a separate description file that contains information about the item.

Each item's inventory balance should be updated once every three months.