(2 pts) Complete the steps of the argument below. For each step, choose a rule of inference or logical equivalence that justifies the step and indicate which statements the rule is applied to. To reference previous statements, write their numbers separated by commas (eg: 1 or 1,2 or 1,2,3). 1. - 2. t 3. ( ts) + b 4.-(t As), using ? with 5. V s, using ? with 6.-8, using ? with