const pre = document.querySelector("pre");

function createEmail (firstName, price) {
	let shipping = 5.95;
	var email = `
		Hi ${firstName}!  Thanks!
			Total: ${price}
			Shipping: ${shipping}
			Grand Total: ${price + shipping}		   
	`;
	
	return email;
}

let email = createEmail("Guy", 100);

pre.append(email);