Comparative information taken from Friction Company's financial statements is as follows: Year 2 Year 1 (a) Notes receivable $25,500 $30,000 (b) Accounts receivable 106,200 90,000 (c) Retained earnings 77,000 70,000 (d) Sales 654,000 600,000 (e) Operating expenses 160,000 200,000 (f) Income taxes payable 28,000 20,000 Using horizontal analysis, show the percentage change and direction (increase or decrease) from Year 1 to Year 2 with Year 1 as the base year. If an item is impossible to compute, enter a "0" in the percentage box and select "Not possible to compute" in the narrative box. a. % b. % C. % d. % e. % f. %