Cu 4: (2.5 diem) AD Ltd produces air conditioners. Its strategy is to produce low-cost products with energy saving to reach medium income customers in Vietnam, and to care for social development. In 2020, the results of AD performance were as follows Financial aspects Increase operating income from price Increasing operating income from sales Customer aspect Market share in overall market Internal business processes Quality of materials Productivity of workers Bad debts Learning and growth R&D expense % of new models % of Female workers Required: Target VND 3 billion Actual performance VND 2.8 billion VND 2.6 billion VND 24 billion 5% 4% 10 10 9 units/day 1% 9.5 units/day 0.6% VND 04 billion 6 30% 4 35% VND 0.5 billion (1) Comment on the performance of AD in 2020? (i) Comment on the balance scorecard of AD (Hints identify if AD's balance scorecard if good or is there anything to be adjusted added")