My boss unfairly promoted his friend instead of me; however, I did this and I am now the CEO

Despite me being the best performing employee in our company, my boss promoted his friend. I knew I was the one more deserving of the promotion because I had worked in the company for more than 10 years, my sales were always better than anyone else’s in the company. beauty shot of beautiful black woman in monochromatic pink.. Stock photo, copy space However, when the chance for the promotion, I was unfairly left out. For those in the corporate world, you know how hard it can be to be in a job where there is no growth or development. I lived in the hope that one day, I would get a promotion and a better salary because of the devotion I had shown to the company for a decade. But it did not happen as I expected. My boss ignored my efforts. That day, I went home and wrote a resignation letter to my boss because I was tired of the unfairness in the company. Everybody was going forward in their career but me. The next day, I was ready to resign and when I told one of my colleagues about that, he told me not to quit but to...