Task: Text Simplification
Input (English): according to the study , if all this software had been developed by conventional proprietary means , it would have cost about $ -lrb- us dollars -rrb- to develop in the united states.
Output (English): this study showed that this software would have cost + / - $ -lrb- us dollars -rrb- to develop in the us , if it had been developed the usual patented way.