Negative Ratings

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The table above shows the results of a survey of 100 customers of a particular company, each of whom gave a "Positive," "Negative" or "Neutral" rating of the company's product and its customer service. What was the number of customers who rated both the company's product and its service negatively?

(1) The number of customers who did not rate either product or service "Negative" was 40.

(2) The number of customers who rated both product and service "Positive" was 30.