Best deal 2
quantity of beads price
100 beads $6.00
200 beads $10.00
400 beads $16.00
600 beads $30.00
1000 beads $55.00

kayla uses fancy beads which she purchases online to make bangle bracelets. the chart shows the number of different designer beads in one bag, and only full bags are sold. if kayla chooses the best deal, how much will 1200 beads cost?
a) $48.00
b) $56.00
c) $65.00
d) $70.00