Form Parsing (radio buttons)

<form id='sampleform' method='post' action='myurl.com' >
   <p>
   Name: <input type='text' name='Name' />
   </p>
   <p>
   Email: <input type='text' name='Email' />
   </p>
<input type="radio" name="subject" value="maths" /> £10
<input type="radio" name="subject" value="physics" /> £5
<input type="radio" name="subject" value="physics" /> £3
£<input type='text' name='donate-amount' />
   <p>
   <input type='submit' name='Submit' value='Submit' />
   </p>
</form>