Please help with these finance questions and support your answer with the source.

1.Twenty years ago there was little in the way of electronic funds transfers and payments. Discuss the impact of things like just-in-time inventory systems and point of sales systems on the need for cash. For your company look up or calculate the days payable, days inventory and AR days for your company. What is the cash conversion cycle?

2.The link at the end of this post shows exchange rates for various currencies relative to the U.S. dollar as of 2/11/2015.

a. Choose 2 currencies and calculate thecross exchange ratefor those 2 currencies. Be sure to show your calculations. Be sure to calculate the cross exchange rate.

b. Is the relationship as you would have expected? I chose US Dollar and British Pounds and please support your answer.

http://www.xe.com/currencytables/?from=USD&date=2015-02-11#