The given forecast for a product is $140$ units in a seven day week at the beginning of the seven day week having $140$ units on hand a supply chain manager places an order for the product and their supplier informed the manager that the leadtime for the order will be $10$ days given this does the following supply principle hold true in this scenario supply chain forecast must cover a time period that encompasses the combined leadtimes of all components that go into the creation of a final product true or false