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Each month, Victoria's internet plan costs 50 dollars for the first 35 gigabytes per month, plus 5 dollars for every gigabyte over 35 up to 55, and then 9 dollars for every gigabyte over 55. How much will Victoria pay in a month where she downloads 13 gigabytes? How much will Victoria pay in a month where she downloads 43 gigabytes? How much will Victoria pay in a month where she downloads 63 gigabytes? Suppose D(a:) is the cost of downloading 9: gigabytes in a month. if55ga: Dlw)