Admin charge

<p>can someone help me understand why is an admin charge always so high, what is it for ?why is it always so much</p> <p> </p> <p>I got charged like this :</p> <p> </p> <p>this month(dec 2016)</p> <p>admin charge -R167</p> <p>Transaction charge -R6.9</p> <p>Management fee -R21</p> <p> </p> <p>last month(nov 2016)</p> <p>admin charge -R173.85</p> <p>Transaction charge -R5.75</p> <p>Management fee -R21</p> <p> </p>