Bernie's Ltd. sells goods on terms 2/10, n/30. Gross credits sales for May were $40,000 and for June were $60,000. Analysis of Bernie's Ltd. shows that customer payments on account have the following trends:

Receiving discount	Beyond discount period	Total
In month of sale	50%	20%	70%
In month following sale	15%	10%	25%
Uncollectible accounts, returns, allowances	5%
100%

The percentages in the table are of total monthly credit sales. How much cash was collected on customer accounts in June?

$9,880$34,300$51,280$41,400None of the other alternatives are correct