Working Capital Efficiency
The data from Quater 2 in 2020 to Quater 1 in 2021 includes 3 quarters.

Liabilities on Revenue
Current assets on Revenue

Cost Efficiency
The data from Quater 2 in 2020 to Quater 1 in 2021 includes 3 quarters.

Ratio of Retained Earnings to Revenue
Selling, General & Administrative (SG&A) Expense Ratio

Invest Efficiency
The data from Quater 2 in 2020 to Quater 1 in 2021 includes 3 quarters.

Retained Earning on Assets
Earning Per Share


Insufficient data provided. The response indicates data exists for working capital efficiency, cost efficiency, and investment efficiency from Q2 2020 to Q1 2021, but no specific numbers are supplied. Similarly, essential financial ratios (like Liabilities on Revenue, Current assets on Revenue etc.) are noted, but without the actual values, no summary or insights can be formulated.