14-21 P.L. 86-272. Which of the following activities generally are not protected under P.L. 86-272? a. Soliciting orders within the state. b. Providing repairs pursuant to a warranty. c. Distributing free samples to potential customers. d. Providing a laptop computer to an employee. e. Providing an office to a sales representative who qualifies as an independent contractor. f. Providing a company-owned automobile to a salesperson. g. Giving employee-salespeople the authority to approve orders. h. Consigning goods to an independent vendor. i. Checking customers' inventories for reorder. j. Conducting an advertising campaign in the state. k. Delivering goods to customers utilizing the seller's own trucks. Qualifying to conduct business within the state