In the following decision situations, which functionary$/$department in the company would be an appropriate decision$-$maker? You need not actually suggest what the decision should be in each situation.

$5.$ The Bibb Co$.$ is a major manufacturer of sheets, towels, and accessories, leading the industry in juvenile sheets. Under increasing pressure from its mass merchandiser customers $($e$.$g$.$ Sears, Wal$-$Mart, J$.$C$.$ Penney$)$ for shorter order lead times and more rapid $($and on$-$time$)$ delivery, the company has to find a way to decrease production lead time without increasing finished goods inventory.