Ella and margaret were at a carnival. they each got a ticket to the ferris wheel. ella got a snow cone, and margaret got a cotton candy. ella had a certificate for $6 off the cost. margaret paid the rest, which came to $12.75. each ferris wheel ticket is $5. and a snow cone is $3.50. what was the cost of the cotton candy? a.$5.00 b.$5.25 c.$2.50 d.$7.25