Arthur makes $100 because .05 x 2000 = <<.05*2000=100>>100
Arthur can buy 16 comic books because 100 / 6= 16 and (2/3)
The comic books cost $96 because 16 x 6 = <<16*6=96>>96
He has $4 leftover because 100 - 96 = <<100-96=4>>4
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