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7% of brazilian companies reported using the new software for purchasing, of which almost 46% reported that it generated only minimal cost savings, 9% reported it generated material savings, 28% stated that they could not yet determine its impact on costs, while the remainder said that no savings had been made.

The majority of respondents used the software for purchasing.

1. TRUE
2. FALSE
3. CANT SAY ITS TRUE OR FALSE
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The major economic difference between standard 4-stroke engine and rotary is that rotary engines are less fuel efficient, but theoretically cheaper to build. However, currently only a few rotary engines are made and costs are consequently higher than for 4-stroke engines. Disagreements over the relative efficiency of then two systems are therefore related not just to their fuel efficiencies, but also to the way in which future production volumes will impact manufacturing costs.

1. THE PRICE OF THE FUEL IS NOT RELEVANT TO DISCUSSIONS ABOUT THE RELATIVE EFFICIENCY OF CAR ENGINES.

TRUE
FALSE
CANT SAY ITS TRUE OR FALSE



2. IF ROTARY ENGINES WEREMORE FUEL-EFFICIENT THAN 4-STROKE ENGINES, THEY WOULD DEFINITELY HAVE THE ECONOMIC ADVANTAGE

TRUE
FALSE
CANT SAY ITS TRUE OR FALSE

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