I have a Math and Statistic Question that needs to be solved! ?

According to a union agreement, the mean income for all senior-level assembly-line workers in a large company equals $500 per week. A representative of a women's group decides to analyze whether the mean income, for female employees matches this norm. For a random sample of nine female employees, y=$1210 and s=190.                        

What is the mean income of female employees differs from $1500 per week?                   

- What were the null hypotheses?                         

- What were the alternative hypotheses?                           

- What was the test statistic?                              

- What was the P-Value?                                

- What Interpret the result, that is the conclusion?