Loses lawsuit --> Stocks fall
Cotoy stocks fall --> unfavorable judgement (lose lawsuit)

If A --> B does not mean B --> A

(A) Whenever a business treats its customers discourteously, its customers begin to shop elsewhere. Shopwell wants to keep all of its customers; therefore, its employees will never treat customers discourteously.

treat customer discourteously --> lose customer
shopwell not lose customer ---> will never treat customer discouteously

A --> B , !B --> !A
Different from passage.

(B) Whenever the large airlines decrease fares, the financial stability of smaller competing airlines is adversely affected. Therefore, the smaller competing airlines’ financial stability must be seriously threatened when the large airlines announce a large price decrease.

large airline decrease fare --> financial stability of samll airline affected
smaller competing airlines financial stability affected --> large airline annnouce decrease (have only annouced, not implemented yet)
A --> B, B --> C. Different from passage.

(C) Whenever a country shows a lack of leadership on international issues, respect for the country’s policies begins to decline. Therefore, to gain respect for its policies, a country should show leadership on international issues.

lack of leadership --> respect decline
respect not decline --> show leadership

If A --> B, !B --> !A
Different from passage.

(D) Whenever an entering student at Cashman College wins the Performance Fellowship, he or she receives $10,000. Therefore, Eula, a student who has enrolled at Cashman, must have won the Performance Fellowship, because she just received $10,000 from the college.

student wins fellowship --> gets 10,000
receive 10,000 --> must have won scholarship

If A --> B, B --> A
Same as passage.

(E) Whenever a company advertises its products effectively, the company’s sales increase. Oroco’s sales have not increased; therefore, it is likely that the company did not advertise its products effectively.

advertise effectively --> sales increase
sales not increase --> did not advertise effectively

If A --> B, !B --> !A
Different from passage

D it is.

D.
_________________

Anyone who has never made a mistake has never tried anything new. -Albert Einstein.

Agree on (D)

yep. D

OA is D.