The ROK has once again avoided equally sharing the USFK costs:
SEOUL (Reuters) – South Korea said on Sunday it had agreed to pay 920 billion won ($866.86 million) in 2014 towards the cost of the U.S. military presence in the country, a rise of 5.8 percent from a year ago.
U.S. and South Korean officials have struck a five-year cost sharing plan for 28,500 U.S. troops in the country after a series of negotiations since early last year. [Reuters]
ROK Heads may remember that USFK tried to get the ROK to pay roughly half of the upkeep costs at $1 Billion a year and once again the ROK negotiated their way out of it.