Final answer:
A businessman who believes he deserves a raise can gather evidence of his contributions, schedule a meeting with his manager, and propose a specific raise amount based on industry standards and the company's financial situation.
Step-by-step explanation:
The businessman who believes he deserves a raise can take several steps to address the situation. Firstly, he should gather evidence of his contributions and achievements in the company, such as positive feedback from clients or successful projects. Then, he can schedule a meeting with his manager and present his case confidently, emphasizing his hard work and the value he brings to the company. Additionally, he can propose a specific raise amount based on his research of industry standards and the company's financial situation.