Suppose in 2010, there were 5,894 cases of a certain type of poisoning reported in the United States. In 2014, the number of cases decreased to 5,045. (a) Compute the marginal change (in cases per year). (Round your answer to one decimal place.) cases per year (b) Use the solution from part (a) to estimate the number of cases of this certain type of poisoning in 2015. (Round your answer to the nearest whole number.) cases