hard · GRE Quantitative Reasoning
**Construction Materials: Output Value and Output Indices (2019 = 100)** | Commodity | 2019 output value ( millions) | 2022 index | 2025 index |
| --- | --- | --- | --- |
| Softwood lumber | 61.4 | 148.2 | 121.7 |
| Steel rebar | 88.9 | 132.6 | 140.3 |
| Copper wire | 47.2 | 119.4 | 156.8 |
| Cement | 39.5 | 108.1 | 126.5 |
The value of copper wire output in 2025 exceeded the value of cement output in 2025 by approximately how many millions of dollars?
- $7.7 million
- $13.7 million
- $24.0 million
- $30.3 million
- $34.5 million
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