Initially, some NWC managers questioned whether the new facility expansion was necessary, especially since it results in increasing net fixed assets from $500 million to $700 million (a 40% increase). However, after extensive discussions about NWC needing to position itself for future growth and being flexible and competitive in today's marketplace, NWC's top managers agreed that the expansion was necessary. Among the issues raised by opponents was that NWC's fixed assets were being operated at only 85% of capacity. Assuming that its fixed assets were operating at only 85% of capacity, by how much could sales have increased, both in dollar terms and in percentage terms, before NWC reached full capacity?