Take as a starting point the following three process descriptions (P1, P2, P3): Here are two suggested technology matrices for a system with these processes: Which statement is correct about the technology matrix?

0.1 KWh strom 0.75 kg raw gas from nature - extraction (P1) * 1.0 m3 nature gass 1.0m3 nature gass electricity production . 15 kwh energy 0.3 KWh strom 1.8 m3 nature gas plastic production(P3) 1 kg p plastic Produkt P1 P2 P3 gas (m3) 0,75 -1,0 -1.8 a) energy (kWh) -0, 1 15 -0,3 plastic (kg) 0.0 0.0 1.0 Produkt P1 P2 P3 gass (m3) 1,0 -1,0 -1.8 b) energy (kWh) .0, 1 15 -0,3 Plast (kg) 0.0 0.0 1.0