Fill in the reagent needed to carry out the following reaction. 
Definitions:
Tour Business
A company or service provider engaged in organizing and facilitating travel and tourism activities for individuals or groups.
Relevant Market
Defines the market in which a company competes or wishes to compete, considering both the product market (types of products) and the geographic market (area served).
Service Type
Service type refers to the particular category or nature of services offered by a business or an organization to its customers or clients.
Price Fixing
An illegal agreement among competitors to control the price of a product or service.
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