64. Kate's Mechanics purchased a delivery van for $8000 cash. The effect of this transaction on the accounting equation is: Select one: a. Asset Cash at bank decreases by of $8000; Asset Vehicles increases by $8000. b. Asset Cash at bank increases by $8000; Asset Vehicles decreases by $8000. Oc. Asset Cash at bank decreases by $8000; Equity decreases (via Motor Vehicles Expenses) by $8000. d. Asset Cash at Bank decreases by $8000; Equity increases (via Motor Vehicles Expenses) by $8000