the last twelve months (2) Interest bearing debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 2Q 1Q 2Q YoY QoQ 6M 6M YoY 2017 2018 2018 2017 2018
13 of 16 (1) Return on assets and return on equity are calculated based on net profit in the last twelve months (2) Interest bearing debt to equity net of cash and cash equivalent and short-term
months (2) Interest bearing debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 3Q 2Q 3Q YoY QoQ 9M 9M YoY 2017 2018 2018 2017 2018 (Unit) Profitability
debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 1Q 4Q 1Q YoY QoQ 2019 2019 2020 (%) (%) Profitability Ratio Gross profit margin (%) 52% 52% 51% (1
(3) Interest bearing debt to equity net of cash and cash equivalent and short-term investments 1Q 4Q 1Q YoY QoQ 2018 2018 2019 (%) (%) Profitability Ratio Gross profit margin (1) (%) 52% 49% 50% (2%) 1
twelve months (3) Interest bearing debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 2Q 1Q 2Q YoY QoQ 6M 6M YoY 2018 2019 2019 (%) (%) 2018 2019
twelve months (3) Interest bearing debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 3Q 2Q 3Q YoY QoQ 9M 9M YoY 2018 2019 2019 (%) (%) 2018 2019
assets and return on equity are calculated based on net profit in the last twelve months (3) Interest bearing debt to equity net of cash and cash equivalent and short-term investments Table 4: Key
debt to equity net of cash and cash equivalent and short-term investments Table 4: Key Financial Ratios 2Q 1Q 2Q YoY QoQ 6M 6M YoY 2019 2020 2020 (%) (%) 2019 2020 (%) Profitability Ratio Gross profit