τ

1

2

3

6

9

12

24

36

48

Predicted yield rate

2.619

2.632

2.644

2.680

2.715

2.750

2.876

2.998

3.103

τ

60

72

84

96

108

120

180

240

360

Predicted yield rate

3.195

3.276

3.347

3.409

3.463

3.510

3.674

3.766

3.862