Complex sentence: For example, a compact fluorescent light bulb may be described of having a payback period of a certain number of years or operating hours (assuming certain costs); here, the return to the investment consists of reduced operating costs.
Split into simpler sentences: For example, a compact fluorescent light bulb may be described of having a payback period of a certain number of years or operating hours, assuming certain costs. Here, the return to the investment consists of reduced operating costs.