Annual Report 2019

208 Transport International Holdings Limited 2019 Annual Report Notes to the Financial Statements (Expressed in Hong Kong dollars unless otherwise indicated) 21 Accounts receivable (continued) (b) Loss allowance of trade receivables (continued) Loss allowance of receivables are measured as the present value of all expected cash shortfalls (i.e. the difference between the cash flows due to the Group in accordance with the contract and the cash flows that the Group expects to receive) (see note 1(n)(i)). Normally, the Group does not hold any collateral over these balances. 22 Bank deposits and cash (a) Bank deposits and cash comprise: 2019 2018 $’ 000 $’ 000 Cash at bank and on hand 185,999 156,405 Bank deposits 1,269,914 1,024,647 1,455,913 1,181,052 Less: restricted bank deposits (note 22(b)) (146,955) (6,803) Bank deposits and cash in the consolidated statement of financial position 1,308,958 1,174,249 Less: bank deposits with original maturities of over three months (766,607) (949,647) Cash and cash equivalents in the consolidated cash flow statement 542,351 224,602 (b) The Group is required to maintain the balance of passenger reward (note 5(d)) under the revised MBOF approach and the balance of toll exemption fund (note 5(d)) in designated bank accounts. As at 31 December 2019, the related restricted bank deposits amounted to $5,543,000 and $141,412,000 (2018: $6,803,000 and $Nil) respectively.