In this lab, you will use jQuery to implement a currency conversion calculator that parses a JSON$-$formatted string containing exchange rates from US dollars $($USD$)$ to several other currencies. The exchange data is provided by OpenExchangeRates.org.

Textbox for US Dollars contains $100\mathrm{.}00,$ "Select currency" dropdown list as Bitcoin selected, "Bitcoin $($BTC$)"$ textbox reads $0\mathrm{.}02.$ A multi$-$line textbox at the bottom with label "Exchange Rate Data $($JSON$)"$ contains JSON text with USD rates for various currencies.

Step $1$: Implement ready event handler

Create a jQuery ready event handler that updates the options within the