On June 24, a retailer received a purchase that amounted to a total list price of $16,000. This merchandise has a trade discount of 37.5%. The buyer wanted to negotiate with the supplier the last date possible to take a cash discount. The invoice on this purchase was dated on June 22. Determine the various cash payment dates for the buyer under the following purchase term:

2/10, n/30

2/10, n/30 ROG

2/10, n/30 EOM

2/10-60X, anticipation allowed