As pennies begin to disappear, states are grappling with a "rounding" problem for cash purchases that would have included them in the past.

Millie’s is one of many businesses across the country, and in Johnson County, making changes or planning them as penny rounding becomes more common.

Months after the last of the United States' 1-cent coins were pressed, some states are beginning to offer their own 2 cents on the penny problem by setting rounding guidance for cash purchases.

(AP) - Months after the last of the United States’ 1-cent coins were pressed, some states are beginning to offer their own 2 cents on the penny problem by setting rounding guidance for cash purchases.