Approximately of all frauds are committed by an individual acting alone. The remaining involve collusion and often involve the thefts. a. \\( 63 \\%, 37 \\% \\), smallest b. \\( 71 \\%, 29 \\% \\), largest c. \\( 47 \\%, 53 \\% \\), smallest d. \\( 18 \\%, 82 \\% \\), largest