Which of the following statements best gives the reasons that a data usage bill for a smart phone is an essential (variable) expense? a. it is an obligation to pay, but the spender has some control over its amount. b. it cannot be eliminated in a later budget, in order to save money. c. it is expected to be the same amount every month. d. bills for services rendered have a higher priority than any other type of expense. select the best answer from the choices provided a b c d

The correct answer is A: It is an obligation to pay, but the spender has some control over its amount.

Explanation: In a data usage bill the customer pays for the amount of data send and received (megabytes or gigabytes) he uses per month. However, if the user hires a 5 Gbs/month data plan and uses 6Gbs, he also has to pay for the extra gigabyte. That is why, the spender can choose if either spends more money or not.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.