While many entry-level data entry clerks work as part of a team, smaller companies may have data departments consisting of one or two people. Because data entry requires long periods of time spent at a computer, clerks often experience eyestrain and repetitive motion disorders.
Summary of the 2015 Postage Rate Increase: 1  First Class Mail Letters (1 oz.) will remain the same at $0.49 when purchased at the Post Office. 2  Each additional ounce will cost $0.22 (up one cent from 2014). First Class Package Service will see an increase of 5.1% in 2015. 2  Commercial Base (online postage) rates will start at $2.04 (1 oz.), up $0.11 compared to 2014. 3  Priority Mail rates are NOT INCREASING in 2015. 4  Commercial Base (online postage) rates will continue to start at $5.05.
According to the US Post Office postage calculator (link attached to this answer) the current cost for the most basic postage, first class letter to from the US to the UK, is 94 cents. If you don't want to go to the post office to get the exact postage you need, three first class stamps would do it. You'd be overpaying, though.