order.rb

irb(main):061:0> @taxon.products.unscope(:order).ascend_by_master_price.each do |product|
irb(main):062:1* puts product.price                                
irb(main):063:1> end                                                 
...
15.99
...
15.99
...
22.99
...
22.99

irb(main):064:0> @taxon.products.unscope(:order).descend_by_master_price.each do |product|
irb(main):065:1* puts product.price                                
irb(main):066:1> end                                                 
...
22.99
...
22.99
...
15.99
...
15.99