A store sells five models of cameras for $190.00, $420.00, $270.00, $300.00, and $420.00. If the sales tax rate is 6%, what are the mean, median, mode, and range of the total cost of the cameras?

Question

anonymous · Answer

190,..... .270,..... 300,..... 420,..... 420 without tax
201.40,.286.20, 318, 445.20, 445.20 with tax

mode 445.20, median 318
Range 445.20 - 201.40 = 243.80.....B is the answer 

I don't need the mean (sum of all)/5
because only B is possible based on other 3 measures.