Helene buys a leaf blower from the hardware store. she asks the clerk at the store to recommend a leaf blower that weighs less than seven pounds. when helene gets home and tries to use the leaf blower, the motor runs but the leaf blower does not work. which law allows helene to return the leaf blower? select the best answer from the choices provided. a. implied warranty of fitness b. implied warranty of merchantability c. truth-in-advertising laws d. consumer safety laws