Consider the following items of expenditure incurred by an electronics component manufacturing firm. 1. An extension to the building to provide additional office space 2. Major repairs to the roof of the existing factory which was damaged in a recent storm 3. Transportation and installation costs relating to a new packaging machine 4. Additional annual insurance costs relating to the new packaging machine Which of the items listed above would be considered capital expenditure? 2 and 3 only 1 and 3 only 1,2 and 3 only 1 only 2 and 4 only