Do you currently have a working mobile or cell phone, or not?

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* 1. Do you currently have a working mobile or cell phone, or not?

In a typical day, about how many calls do you make on your cellphone?

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* 2. In a typical day, about how many calls do you make on your cellphone?

In a typical month, about how much money, in U.S. dollars, do you spend on your cable service?

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* 3. In a typical month, about how much money, in U.S. dollars, do you spend on your cable service?

About how much money, in U.S. dollars, did you spend last month on your cable service?

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* 4. About how much money, in U.S. dollars, did you spend last month on your cable service?

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