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$67$Extra exercises for Murach $\text{'}$s ASP.NET $4\mathrm{.}6$ with C# $2015$Extra $4-1$The application for this exercise is an enhanced version of the one for exercise $3-1.$ First,the Quotation has a confirm button to the right of the Calculate button. Second, theConfim button redirects to a Confimation page.Enhance the the Quotation applicationThe Quotation page $($Default$.$aspx$)$Price quotationSaes prceThe Confirmation page $($Confirm$.$aspx$)4$Quotation confirmationSes pceCaCotmocot anount $2749$Toa pce $10$Send confirmation toEmat adseo coed GtatonOpen the web application for this exercise and start enhancing its pages$1.$ Open the web application named XEx$04$Quotation in your exercises extra folder. Itincludes the aspx and code$-$behind files for the pages shown above, but the first pagedoesn't have the code for the Confim button and the second page doesn't have theGace HoscerExtra exercises for Murach's ASP.NET $4\mathrm{.}6$ with C# $2015$code for either of the buttons that are shown. And neither page has the code for thelabel with the message that's displayed below the buttonsAdd the Confirm button to the Quotation page right after the Calculate button, and setits CssClass property to the btn and btn$-$primary classes$\mathrm{.}3.$ Add the Send Quotation and Return buttons to the Confirmation page, and set theappropriate CssCla values. Also, set the properties for the Return buton so it goesback to the Quotation page and doesn't cause validation$5.$ Test the application to see how it's going, and make any adjustments.Add the C# code that makes the application work$6.$ Create a Click event handler for the Confirm button of the Qutation page. ThisIs being confirmed by gettine the data en w display the quotation that$7.$ To make this work, the Click event handler for the Calculate button of the Quotationpage should save the sales price, discount amount, and total price in session state.Now, add that code to that event handler$\mathrm{.}8.$ When the user clicks the Confirm button on the Quotation page to go to theConimaton page, he Loadeven nandieT or ine coaon page stouo Eet theLoad event handleplay t as shownTest and refine the operation of the application$\mathrm{.}9.$ Add an event handler for the Click event of the Send Quotation button. If the entriesfor this form are valid, this handler should use the data cntered by the user to displaya message below the buttons that says: "Quotation sent to