An open economy is described by the following macroeconomic data:
Which of the following statements is correct?
Total leakages (withdrawals) exceed total injections by £10 billion, causing national income to contract.
Total injections exceed total leakages (withdrawals) by £10 billion, causing national income to expand.
Total injections are £125 billion, and total leakages (withdrawals) are £110 billion.
Total injections exceed total leakages (withdrawals) by £20 billion, causing national income to expand.