A company provided two salary programs to the union spokesperson, requiring him to choose one. The first solution was 12 months later, it was increased by 500 yuan per year on the annual salary of 20,000 yuan; the second solution was 6 months later, the annual salary of 20,000 yuan was 125 yuan every half year. Whether it is to choose which solution, the company has issued a salary every half year.
Do you think the union spokesperson should recommend which program is better?