Question 1132023
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The cost of the minimum purchase of 100 calculators is 100 times $35, which is $3500.  So none of answers A, B, or C can be the total cost of a purchase.<br>
Add the flat $50 shipping charge to the cost of those 100 calculators, and the total cost is now $3550.<br>
Then one more calculator for $35 brings the total to $3585 -- which is answer D.