type 4 inter        -40.55      6.746
type 4 slope    -1.182e-07  1.453e-06
type 2 inter        -38.31     0.6943
type 2 slope    +4.579e-07  1.478e-07
type 1 inter         -40.1     0.6279
type 1 slope    +7.796e-08  1.681e-07