see Figure 1

see Figure 1

$24.00 per ton

$ 31.20 per ton

$12.00 per ton

$ 4.80 per ton

0.72 tons per cycle

0.90 tons per cycle

$8.64 per cycle

$ 4.32 per cycle

SAC(min)_K = 24 + 12 =

$36 per ton

SAC(min)_L = 31.2 + 1.8 =

$ 36 per ton

Let

0.5

Let

0.5

Let

Let

$31.20 per ton

$ 40.80 per ton

Let

36.92 tons per period

Let

84.71 tons per period

51.28 plants

53.09 plants