When ​$7,900 is invested in a savings account paying simple interest for the​ year, the​ interest, i in​ dollars, can be obtained from the equation i=7,900​r, where r is the rate of interest in decimal form. Graph i=7,900​r, for r up to and including a rate of​ 16%. If the rate is 14​%, how much interest is​ earned?

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