The income represents contributions from lessees to meet the maintenance and company administration costs.
Debtors
Short term debtors are measured at transaction price (which is usually the invoice price), less any impairment losses for bad and doubtful debts. Loans and other financial assets are intitally recognised at transaction price including any transaction costs and subsequently measured at amortised cost determined using the effective interest method, less any impairment losses for bad and doubtful debts.
Creditors
Short term creditors are measured at transaction price (which is usually the invoice price). Loans and other financial liabilities are initially recognised at transaction price net of of any transaction costs and subsequently measured at amortised cost determined using the effective interest method.