How much input from a, b, and e are required to produce a dollar's worth of output for b?
a) 0.1a, 0.5b, 0.1e
b) 0.5a, 0.1b, 0.2e
c) 0.2a, 0.1b, 0.5e
d) 0.5a, 0.2b, 0.1e