Marsh & McLennan Cos. Inc. reported net income of $482 million, or 88 cents per share, in the first quarter, up from $443 million and 80 cents per share in the year-ago period, according to a release. The company, which has offices in Urbandale, said the stronger U.S. dollar and lower interest rates cut earnings per share by about 12 cents. Revenue across all Marsh & McLennan businesses was $3.2 billion, a decline of 1 percent, compared with the first quarter of 2014, reflecting a 6 percent negative currency impact. Risk & Insurance Services revenue was $1.8 billion in the first quarter, an increase of 3 percent from same quarter last year.