A Contact Lens Wearer Read That the Producer of a New

A contact lens wearer read that the producer of a new contact lens boasts that their lenses are
Cheaper than contact lenses from another popular company. She collected some data, then tested
The null hypothesis $$\mathrm { H } _ { 0 } : \mu _ { o l d } - \mu _ { n e w } = 0 \text { against the alternative } \mathrm { H } _ { \mathrm { A } } : \mu _ { o l d } - \mu _ { n e w } > 0$$
0) Which of the
Following would be a Type II error?

A) Deciding that the new lenses are cheaper, when in fact they really are.
B) Deciding that the new lenses are not really cheaper, when in fact they are not.
C) Deciding that the new lenses are cheaper, when in fact they are not.
D) Applying these results to all contact lenses, old and new.
E) Deciding that the new lenses are not really cheaper, when in fact they are.