A study by the U.S. Energy Information Administration found that 84.3% of U.S. households with incomes under $10,000 did not own a dishwasher while only 21.8% of those in the over-$50,000 income range did not own a P(AB)  dishwasher. If one household is randomly selected from each income group, determine the probability that
a. neither household will own a dishwasher.
b. both households will own a dishwasher.
c. the lower-income household will own a dishwasher, but the higher-income household will not.
d. the higher-income household will own a dishwasher, but the lower-income household will not.