The following independent events occurred at Ike Inc. during the year: (a) Identify which of the items below would be excluded from net income when determining profitability ratios. 1. A realized gain on the sale of long-term investments Excluded 2. A loss caused by a labour strike Included 3. Other comprehensive income arising from the revaluation of a building 4. An operating loss from a discontinued component of an entity, held for immediate and probable sale