Write HTML$/$JavaScript web page called convertusdtocad.html in assignment$1$ folder, that has the following items: a$.$ Two text items labeled as "USD Dollar" and "CAD Dollar", the first $($USD dollars$)$ is enabled with id$=$"usd", while the latter is disabled with id$=$"cad" b$.$ One button is named $$convert$.$ c$.$ Functionality: when the user clicks on the button, a JavaScript function named "convert" will be called to convert the value is entered in the "usd" item to the "cad" item using the current$/$daily conversion rate. The JavaScript function must be written in a file named currency$\_$convert.js$.3.$ Create form.html and successfully$\_$submitted.html files in assignment$1$ folder, in form.html you will be creating the form that is shown in Figure $1$ below. The form is redirected to successfully$\_$submitted.html once you submit the form using the POST method. All fields must be required. For id$,$ if you choose $$Yes$,$ a file field must appear in the form. If you choose $$No$,$ the file field must be removed. For now, you don$$t need to implement the file field to upload any files. $4.$ Use the function JavaScript document.getElementById$()$ to show the file field. You may use internal or external JavaScript function. $5.$ Note: the "name" attribute of both radio buttons should be the same. This is because they are part of the same radio group, and you want to allow only one option to be selected at a time. $6.$ The HTML file successfully$\_$submitted.html should only have one line: $$The form data has been successfully submitted$.$