What was the allowance for credit loss for financed service contracts as a percentage of total allowance for credit loss in 2018?
{"Allowance for credit loss as of July 28, 2018": {"Lease Receivables": 135, "Loan Receivables": 60, "Financed Service Contracts": 10, "Total": 205}, "Provisions (benefits)": {"Lease Receivables": -54, "Loan Receivables": 11, "Financed Service Contracts": 27, "Total": -16}, "Recoveries (write-offs), net": {"Lease Receivables": -14, "Loan Receivables": "\u2014", "Financed Service Contracts": -28, "Total": -42}, "Foreign exchange and other": {"Lease Receivables": -21, "Loan Receivables": "\u2014", "Financed Service Contracts": "\u2014", "Total": -21}, "Allowance for credit loss as of July 27, 2019": {"Lease Receivables": 46, "Loan Receivables": 71, "Financed Service Contracts": 9, "Total": 126}}
allowance_credit_loss_2018 = df["Allowance for credit loss as of July 28, 2018"]["Total"]
allowance_credit_loss_financed_service_contracts = df["Allowance for credit loss as of July 28, 2018"]["Financed Service Contracts"]
answer = allowance_credit_loss_financed_service_contracts / allowance_credit_loss_2018 * 100.0