<--- New (most recent version) ppc --->
<--- nominal aha ice --->
Efficiency: x 1.0 no rate adjustment	hole ice	data: black ppc: blue
Efficiency: x 1.0 no rate adjustment	no hole ice	data: black ppc: blue
<--- stretched aha ice --->
Efficiency: x 1.0 no rate adjustment	hole ice	data: black ppc: blue
Efficiency: x 1.0 no rate adjustment	no hole ice	data: black ppc: blue
<--- Old (buggy) ppc --->
<--- nominal aha ice --->
Efficiency: x 1.0 no rate adjustment	data: black ppc: blue
Efficiency: x 1.0 ppc scaled up by x 1.4	data: black ppc: blue
Efficiency: x 1.0 ppc scaled up by x 2.3	data: black ppc: blue
Efficiency: x 1.0 ppc scaled up by x 3.0	data: black ppc: blue
Efficiency: x 1.5 no rate adjustment	data: black ppc: blue
Efficiency: x 1.5 ppc scaled up by x 1.2	data: black ppc: blue
Efficiency: x 1.5 ppc scaled up by x 1.4	data: black ppc: blue