Exclusionary Practices. Instant Foto Corp. is a manufacturer of photography fi lm. At the present time, Instant Foto has approximately 50 percent of the market. Instant Foto advertises that the purchase price for its fi lm includes photo processing by Instant Foto Corp. Instant Foto claims that its fi lm processing is specially designed to improve the quality of photos taken with Instant Foto fi lm. Is Instant Foto’s combination of fi lm and fi lm processing an antitrust violation? Explain.