harus beli 142 lot di harga 1660

Nilai beli awal

3.200 × 1.877 = Rp6.006.400

Nilai beli tambahan

14.200 × 1.660 = Rp23.572.000

Total

Total lembar: 3.200 + 14.200 = 17.400 lembar

Total dana:
6.006.400 + 23.572.000 = Rp29.578.400

Average baru
29.578.400
÷
17.400
≈
1.699
29.578.400÷17.400≈ avg baru 1.699