2. Two calculus teachers can teach a total of 8 classes. Enrollments are as follows: Calculus I, 200; Calculus II, 100; Calculus III, 80. In this apportionment problem, the population is ________________, the standard divisor is _____________________, and the quotas are ___________________________ for Calculus I, for Calculus II, and _____________ for Calculus III.