Which of the following, engineered by Lavar, allows you to open your mobile phone, point at certain buildings in a city, and then see the property's value per square meter superimposed over a live image of the building streamed through the phone's

Which of the following are uses of crowdsourcing that have been shown to be successful?

a. an organized competition where teams volunteer to solve a problem by a deadline to win a cash prize b. hiring temporary or contingent workers c. organizing an in-house team to solve a manufacturing issue d. funding multinational corporations through online drives

Which of the following is true of historical costs?

A) They are useful for making future predictions. B) They are used for decision making. C) They are always accounted as opportunity costs. D) They cannot be fixed costs.