Haddon Incorporated owns a delivery truck. The company purchased the truck on January 1, 2015 and put it into service on that date. The truck's original acquisition cost was $15,000 and its annual deprecation is $1,250. 1. What is balance of the Delivery truck account on December 31,2017 ? 2. What is the balance of the Accumulated depreciation account on December 31,2017 ? 3. What is the net book value of the delivery truck on December 31,2017 ? On January 1, 2018, Haddon spends $5,000 on the delivery truck to improve the truck's gas mileage. Additionally, the annual depreciation increases to $1,800. 1. What is the balance of the Delivery truck account on December 31,2018 ? 2. What is the balance of the Accumulated depreciation account on December 31,2018 ? 3. What is the net book value of the delivery truck on December 31,2018