Formula:
Untung/porsi = Harga Jual - HPP
Biaya Waktu = Menit/60 × Biaya/jam
Rugi Langsung = HPP + Biaya Ganti
Rugi Waktu = Biaya Waktu
Rugi Opportunity = Reach × (Drop%/100) × Untung/porsi
Rugi Reputasi = Opportunity × 0.6 (efek long-tail 30-90 hari)
Total per Komplain = Langsung + Waktu + Opportunity + Reputasi