here is the price details,

150 - 18-20" :$1.8 X 150=$270
150 - 16-18" :$1.48 X 150=$222
300 - 14-16" :$1.12 X 300=$336
500 - 12-14": $0.62 X 500=$310
the total charge for these feathers is $270+$222+$336+$310=$1138

I will give you 12% discount,you only need to pay $1138X 88%=$1001.44
besides I will give you FREE SHIPPING.