class Pcalci::Pcalculator

Public Class Methods

profit(bought, sold, type) click to toggle source
# File lib/pcalci/pcalculator.rb, line 4
def self.profit bought, sold, type
        avg_bought = bought.inject(0) {|sum,(amount,price)| sum + amount*price }
        avg_sold = sold.inject(0) {|sum,(amount,price)| sum + amount*price }
        avg_sold - avg_bought
end