Keeping in Mind the Sources Cited,discuss the Credibility of the Claim(s)made

Short Answer

Keeping in mind the sources cited,discuss the credibility of the claim(s)made in the following passage:
"The mail order company Hammacher Schlemmer & Co.says in its consumer catalogs that it sells nothing but the best.The company supports its claims by what it calls independent testing.But Bruce Nash and Allan Zullo,in a book called The Mis-Fortune 500 (New York:Pocket Books,1988),say that while a 1986 letter to potential customers claimed that a "completely separate" "consumer" organization tested and compared the products offered by Hammacher Schlemmer,in reality:
"The testing organization is called the Hammacher Schlemmer Institute.
"The institute is funded by Hammacher Schlemmer & Co.
"The institute's board of directors is composed of Hammacher Schlemmer officials.
"The institute is located at Hammacher Schlemmer company headquarters in Chicago."