Systems contracting is a purchasing management technique that seeks $\_\_\_\_\_\_\_\_\_\_$ of an item from the time a need is recognized to the time that need is fulfilled.

Systems contracting is a purchasing management technique that seeks $\_\_\_\_\_\_\_\_\_\_$ of an item from the time a need is recognized to the time that need is fulfilled.

A$.$ on time delivery

B$.$ an overall increase in the quality

C$.$ an overall increase in the price

D$.$ an overall increase in the effectiveness

E$.$ overall reduction in the cost