A company produces two types of products, A and B. The company's management wants to determine if there is a difference in the mean sales of the two products. The sales data for the two products are as follows:

Product A:
Mean = $500
Standard deviation = $50
Sample size = 25

Product B:
Mean = $520
Standard deviation = $60
Sample size = 30

Perform a hypothesis test with a 5% level of significance to determine if there is a significant difference in the mean sales of the two products.