Concerning the Allocation of the Publication Budget Among Various Journals

Concerning the allocation of the publication budget among various journals,

A) the cost-per-thousand calculation should be based on circulation to the total audience.
B) the cost-per-thousand calculation should be based on circulation to the target audience.
C) the comparison of alternative journals can readily be made by examining their actual page rates (cost-per-page) .
D) the comparison of alternative journals can readily be made by examining total circulation.
E) publications with low circulation levels should be avoided.