For each of the following items, indicate whether the costs should be capitalized or expensed immediately. 1. Purchased a patent for $12,000 2. Paid $5,500 to overhaul a drilling rig. The overhaul will extend the useful life by 3 years. 3. Paid $600 for routine maintenance and lubrication of a tractor. 4. Paid $6,500 to install new equipment in the production line that will