Which of the following statements correctly differentiates catching-up growth from cutting-edge growth? A. Cutting-edge growth leads to convergence, while catching-up growth does not. B. Poorer countries with low levels of capital stock will always display catching-up growth, while rich countries will not. C. Catching-up growth comes primarily from capital accumulation, while cutting-edge growth comes from technological development. D. Catching-up growth can go on indefinitely, while cutting-edge growth cannot.

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?