Holding period and annual investment) returns. Bohenick Classic Automobiles restores and rebuilds old classic cars. auction, the car sold for $79,000.00. What are the holding period return and the annual return on this investment? The company purchased and restored a classic 1957 Thunderbird convertible 7 years ago for $7,900.00. Today at . What is the holding period return of the car? % (Round to two decimal places.)