The time of cashflows for the project are as follows;

• Operating Income (rent) is received annually, in advance. For NPV purposes they are assumed to have been received at the beginning of the year.
• Operating Expenses are averaged over the year and are assumed to be paid in the year they are incurred, unless otherwise stated.  For NPV purposes they are assumed to have been paid at the end of the year.
• Operating account Interest Income and Expense are received/expended at the beginning of each year (based on balances at the end of the previous year).
• Receipts for the disposal of assets (including final disposal of the project) are received at the beginning of each year immediately following the last year of their useful life or identification for disposal.
• Expenditure for the acquisition and/or replacement of assets is made at the beginning of the year in which they are acquired.
• Loan payments are made at the beginning of each year (ie payments in advance). The final loan payout (if applicable) is made on the first day of the year following the disposal of the project.
• Tax receipts and payments occur on the first day of the year following the year they are incurred.
• Capital receipts and payments are made at the beginning of the year they are received/expended.