Which sentence is punctuated correctly?
after we ate lunch we went to a movie, ate popcorn and did some shopping.
during the long, intermission of the play everyone chatted about the first act.
dad cooked a fancy, and, delicious dinner and i set the table with our best dishes.
due to the earlier malfunction, the aviation mechanic double-checked the wires.

Healthcare costs are becoming an issue for many americans. in just two years, the average family has seen an increase of 3 percent in insurance costs. the increase rises to 25 percent when you include families who buy insurance on an exchange. at this rate, health care will soon be completely unaffordable for most americans. therefore, lowering the cost of health insurance must be a priority for lawmakers. which statement best explains why the argument is logical? a.)the argument incorporates empirical and anecdotal evidence. b.)the argument includes a strong counterclaim and a fair rebuttal. c.)the argument contains relevant reasons supported with facts and data. d.)the argument includes a personal experience as an emotional appeal.