Use the Rule of 70 to answer the questions on economic growth. Round answers to two places after the decimal. If annual real GDP per capita growth in South Africa averages 1.8 % , how long will it take the country to double its real GDP per capita

The purpose of safety stock is to: a. eliminate the possibility of a stockout. b. control the likelihood of a stockout due to variable demand and/or lead time. c. eliminate the likelihood of a stockout due to erroneous inventory tally. d. protect the firm from a sudden decrease in demand. e. replace failed units with good ones.

How is a federal loan different from a private loan for an education? a federal loan is available for any student who meets the government's lending standards. a private loan is only available for students who show a need. a federal loan is only available for students who show a need. a private loan is available for any student who meets the bank's lending standards. a federal loan can only be used to pay for a student's tuition. a private loan can be used to pay for a student's tuition and any other expenses. a federal loan can be used to pay for a student's tuition and any other expenses. a private loan can only be used to pay for a student's tuition.

Because of the violent nature of the sport, professional american football players are at risk of suffering concussions (or brain injuries) during the violent collisions that occur between players during the game. violent collisions involving hits to the head are particularly risky. suppose the commissioner of the national football league (nfl) institutes a rule requiring players to wear a new, lighter helmet that is designed to reduce head trauma during collisions between players on the field. while the new helmets the probability of a concussion resulting from each individual collision, at the same time the new helmets could also give football players an incentive to play more , which could potentially the amount of violent collisions and thus the number of concussions suffered by nfl players, all else equal.