For each item below, choose whether the listed production function exhibits constant returns to scale (CRS), increasing returns to scale (IRS) or decreasing returns to scale (DRS): A) q=min{3L,20K} B) q=140L+2K C) q=L0.2K : D) q=L0.2K0.5 E) q=L0.2K0.8 F) q=L2+K2 G) q=LK+10 H) q=L0.4K0.410 when q returns positive values, zero otherwise