here is the price details,

150pcs 16-18inch ostrich feathers:$1.48 X 150=$222
150pcs 18-20inch ostrich feathers:$1.98 X 150=$297
the shipping is $10.
so the total cost is $222+$297+$10=$529

I will give you 8% discount,so all you need to pay is $529 X 92% =$486.68