Indicate which property is illustrated in Step 4. Step 1 5 • 9 • 12 • 1 = (5 • 9) • (12 • 1) Step 2 = (9 • 5) • (1 • 12) Step 3 = 45 • (1 • 12) Step 4 = 45 • 12 A. distributive property B. associative property of addition C. inverse property of multiplication D. identity property of multiplicat