Please help answer questions 11-16 thank you

An example of a committed fixed cost is a training program for salespersons. True False Period costs appear on the income statement when they are incurred. True False Advertising costs are considered product costs for external financial reports because they are incurred in order to promote specific products. True False Product costs are often called inventorial costs. True False Variable cost increases on a per unit basis as the number of units produced increases. True False Controlling, one of the vital activities of management, involves helping managers determine if their goals are being properly executed. True False