Don's Pasture Apple Cider Company Buys Four Inputs When Producing

Don's Pasture Apple Cider Company buys four inputs when producing apple cider: apples,glass bottles,apple presses,and computers for record keeping.If the company decides to vertically integrate backward,it is most likely to _____

A) start growing apples next.
B) start making apple cider vinegar next.
C) start making apple pies next.
D) start making apple-flavored energy drinks next.
E) internalize the production of all these inputs at the same time.