Wonderful Bikes, Ltd. will have to pay a 1.816.042 invoice to its supplier after buying the carbon fibre it needs for manufacturing its lovely bikes. The supplier has offered the following deal: if WB pays that invoice within 5 days, then it will get a 4% discount on it. The invoice will become due after 90 days past. Please compute the cost of the of that short-term credit if WB decides to pay the invoice only when it has come due.