In the spring, Mr. Cowan top-dressed 12 acres of sod with 90 pounds per acre of 46-0-0 urea at $453 perton. He applied 1.8 pints per acre of a herbicide at $48.50 per gallon.a. How many pounds of nitrogen did he apply per acre?b. How many pints of herbicide did he apply?C.What did it cost to apply the herbicide and the fertilizer?