the Borrowers shall as an independent obligation, within 3 Business Days of demand, indemnify the Creditor Party to whom that Sum is due against any cost, loss or liability arising when the payment actually received by that Creditor Party is converted at the available rate of exchange back into the Contractual Currency including any discrepancy between (A) the rate of exchange actually used to convert the Sum from the Payment Currency into the Contractual Currency and (B) the available rate of exchange.