Fig. 1:

Fig. 2:

Fig. 3:

Fig. 4:

Fig. 5:

Fig. 6:

Fig. 7:

Fig. 8:

Fig. 9:

Fig. 10:

Figure 11:

Duration and direct costs of activities_
| Activity ID | Duration [weeks] | Direct cost | Direct cost–duration function | ||
|---|---|---|---|---|---|
| Option 1 | Option 2 | Option 1 | Option 2 | ||
| A | 1 | 2 | 280000 | 180000 | (380–100TA) × 103 |
| B | 2 | 4 | 420000 | 320000 | (520–50TB) × 103 |
| C | 7 | 10 | 860000 | 620000 | (1420–80TC) × 103 |
| D | 4 | 6 | 340000 | 260000 | (500–40TD) × 103 |
| E | 3 | 4 | 570000 | 410000 | (1050–160TE) × 103 |
| F | 3 | 5 | 260000 | 180000 | (380–40TF) × 103 |
| G | 4 | 7 | 1020000 | 900000 | (1180–40TG) × 103 |
| H | 6 | 9 | 380000 | 200000 | (740–60TH) × 103 |
| I | 5 | 7 | 270000 | 210000 | (420–8300TL) × 103 |
| J | 6 | 8 | 490000 | 430000 | (670–30TJ) × 103 |
| K | 3 | 4 | 200000 | 160000 | (320–40TK) × 103 |
| L | 3 | 5 | 350000 | 250000 | (500–50TL) × 103 |
| M | 1 | 2 | 200000 | 100000 | (300–100TM) × 103 |
| N | 3 | 6 | 510000 | 330000 | (690–60TN) × 103 |