Cu 4: (2.5 im) AD Ltd. produces printers. Its strategy is to produce high-quality products with modern and multi-task printers to reach high 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 Target Actual performance VND 3 billion VND 3.2 billion VND 2 billion VND 2.4 billion Increasing operating income from sales Customer aspect Market share in overall market Internal business processes Time to print 100 pages Quality of products Customer complaints Learning and growth R&D expense % of new models 5% 4% 5 minutes 5 minutes 9.8 9.9 1% 0.6% VND 1 billion 12 VND 1 billion 14 VND 1.5 billion VND 1.4 billion Scholarship for poor students Required: (iii) Comment on the performance of AD in 2020? (iv) Comment on the balance scorecard of AD (Hints: identify if AD's balance scorecard if good or is there anything to be adjusted/ added?)