Elian's credit card had a balance of $132. 20 on April 1. On April 5, he charged $74. 50. On April 18, he made a payment of $52.
On April 22, he charged $18. 75 and did not use the credit card the rest of the month. What was his average daily balance?
$179. 86
$154. 70
$173. 45
$166. 76
$206. 70