what are all of the types of power supply?
flyback, ringing choke converter (rcc), half-forward, forward, resonant forward, push-pull, half-bridge, full-bridge, resonant, zero voltage switched, isolated cuk
which ones are inductors and capacitors?
resonant forward, resonant, zero voltage switched
of those two, which one has a relative cost of >2.0?
resonant, zero voltage switched