coupons.rb

def apply_coupons(cart:[], coupons:[])
	coupons.each do |e|
		e.each do |key, value|
			if cart[value]
				if cart[value][:count] - e[:num] >= 0
                   cart[value][:count] -= e[:num]
				if cart["#{value} W/COUPON"].nil?
					cart["#{value} W/COUPON"] = cart[value]
					cart["#{value} W/COUPON"] = {:price => e[:cost], clearance: cart[value][:clearance]}
		            cart["#{value} W/COUPON"][:count] = 1  
	            else   
				    cart["#{value} W/COUPON"][:count] += 1
                end
                end
		    end
		end
	end
cart

end