[A] Most LDCs have less than 1/10 the per capita GNP of the U.S.
[B] A greater share of GNP would have to be devoted to education to attain the same primary enrollment
rates as in the U.S.
[C] Setting up western labor standard and minimum wages in labor-abundant LDCs is sensible.
[D] Most LDCs have a greater shortage of qualified teachers than the U.S. does.