b) The county sold a police car for $3,500 that had been purchased four years ago at a cost of $30,000. The city had estimated that the police car had a useful life of five years and a salvage value of $5,000 when it purchased the vehicle c) During the year, the county spent $15 million to construct a third lane on both sides of the major north-south highway through the county d) The county traded in a pickup truck used in general government operations for a new pickup truck and paid a difference of $20,000. The old pickup truck was purchased four years ago at a cost of $25,000. At that time, the county had estimated a useful life of five years and an estimated salvage value of $6,000 for the truck. At the time of the trade, the old truck had a fair value of $10,000 and the new truck had a sticker price of $29,000 e) The county began constructing a new county office building. The county made progress payments to the contractor totaling $3.5 million during the year. f The county received a gift of land from a citizen, who designated that the land be used for a County Park. The land had been in the donor's family since it was homesteaded and had a fair value of $4 million when the contribution was made. Amount S a. Debit Credit Amount $ b. Debit Amount S Amount $ Credit Amount S c. Debit Credit Amount $ d. Debit Amount Amount $ Credit Amount $ Debit e. Credit Amount $ Amount $ f Debit Boone County engaged in the following transactions during the year. Assume that the county maintains its books and records in a manner that facilitates the preparation of fund financial statements. Amount $ Credit Prepare the appropriate journal entries for the county's General Fund. appropriate, write "No entry required." If no entry is a) The county purchased three dump trucks paying $85,000 for each one