*DIFFICULT QUESTION, HELP ME??* An ash borer is an invasive pest whose larvae eat the pulp of ash trees as they mature. A park ranger has a tree that is infested with ash borers. She estimates they have eaten approximately 40% of the tree's pulp. If the ash tree's trunk has a radius of 2 feet and a height of 15 feet, what was the total volume of the tree trunk before the ash borers started eating it? a.) 471 cubic feet b.) 706 cubic feet c.) 188 cubic feet d.) 235.5 cubic feet