Shipping Arc.js Action Exercise 7-4

http.commerce.catalog.storefront.shipping.requestRates.after.js

module.exports = function(context, callback) {
  var rates = context.response.body.rates;
  var shippingRate;
  try{
    for(var i = 0; i < rates.length; i++) {
        for(var j = 0; j < rates[i].shippingRates.length; j++) {
            shippingRate = context.response.body.rates[i].shippingRates[j].amount;
            context.response.body.rates[i].shippingRates[j].amount = Math.floor((shippingRate + (context.response.body.rates[i].shippingRates[j].amount * 0.25)));
        }
    }
  } catch(err) {
      console.error(err);
  }
  callback();
};