Two Tailed Hypothesis Testing

A sales compnay wants to forecast its sales . There are 2 samples with n1 =30 and n2=30 .Since its a small sample I did paired t- Test in excel . I got critical T value is greater than the calculated t value. Im ok till this part.

Now in order for the sales company to break even, the average output is increased by 5000$ and if this figure is alternate hypothesis . I need to calculate probability of the Type I , Type II error.

Can someone help me the procedure or the test to be done ?