Plz help it is difficult

Which of the following is a problem for the production of public goods?

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Use the following account numbers and corresponding account titles to answer the following question. account no. account title (1) cash (2) merchandise inventory (3) cost of goods sold (4) transportation-out (5) dividends (6) common stock (7) selling expense (8) loss on the sale of land (9) sales which accounts would appear on the income statement?