Holding period and annual (investment) returns. Baker Baseball Cards, Inc. originally purchased the rookie card of Hammerin' Hank Aaron for $20.00. After holding the card for 5 years, Baker Baseball Cards auctioned the card for $120.00. What are the holding period return and the simple annual return on this investment? What is the holding period return of the baseball card? 500% (Round to two decimal places.) What is the simple annual return on the baseball card? 100 % (Round to two decimal places.) What is the effective annual return (EAR) on the baseball card? (% (Round to two decimal places.)