An establishment to qualify for exemption under section 13(a)(4) must be an exempt retail establishment under section 13(a)(2); that is, 75 percent of its annual dollar volume of sales of goods must not be for resale, 75 percent of its annual dollar volume of sales of goods must be recognized as retail in its industry, over 50 percent of its annual dollar volume of sales of goods must be made within the State in which the establishment is located, and its annual dollar volume of sales must be under $250,000. In addition, the establishment must meet the following three tests:
(a) The establishment must be recognized as a retail establishment in the particular industry.
(b) The goods which the exempt establishment makes or processes must be made or processed at the establishment which sells the goods.
(c) More than 85 percent of the establishment's annual dollar volume of sales of the goods which it makes or processes must be made within the State in which the establishment is located. (See Act, section 13(a)(2); H. Rept. No. 1453, 81st Cong. first session, p. 27; Arnold v. Ben Kanowsky, Inc., 361 U.S. 388.)