# Homework

The monthly fee for the phone is 12 USD and for phone unit 0.07 USD.

How much family pay phone in the first quarter Q1, if on January 1 had on the counter 97721 units and on April 1 98115 units.

How much family pay phone in the first quarter Q1, if on January 1 had on the counter 97721 units and on April 1 98115 units.

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