Graphical representations of the KLA-Tencor 2018 income statement and average balance sheet numbers (20172018) follow ($ thousands).

Note: Round all answers to two decimal places (ex: 0.12345 = 12.35%)

a. Compute return on equity (ROE).

ROE=( )%

b. Compute return on assets (ROA).

ROA=( )%

c. Compute return on net operating assets (RNOA).

RNOA=( )%

KLA-Tencor Average Balance Sheet 2017-2018 KLA-Tencor Income Statement 2018 $1,473,464 $802,265 $2,627,235.5 $2,583,930 $653,666 O - $2,499,507 $2,948,529 $81,263 $1,518,371 Operating liabilities Operating expenses Interest expense, net Operating assets Nonoperating assets Nonoperating liabilities 1 Equity Tax expense Net income