What is the net cost of $2008 less 10/5/20

Series Discount = 10% / 5% / 20%

Compliments of Series Discount = (1-.10) / (1-.05) / (1-.20)

Compliments of Series Discount =.90 /.95 /.80

Net Cost Equivalent =.90 (.95).80

Net Cost Equivalent = 68.40%

Net Cost = Net Cost Equivalent X (List Price)

Net Cost = 68.40% X ($2008)

Net Cost = $1373.47