Fourth-quarter gross margin was 36.3% , down from 40.6% a year earlier. Ragen attributed the decline mainly to unfavorable sales mix and a $15.6 million net inventory provision related to the settlement of a supplier contract dispute for a discontinued product, along with higher input costs and lower manufacturing absorption that were mostly offset by price realization.CFO York Ragen reported fourth-quarter net sales decreased 12% year over year to $1.1 billion . Residential product sales fell 23% to $572 m ...