Mazaya Company purchased a new van for floral deliveries on January 1, 2011. The van cost R.O.40,000 with an estimated life of 5 years and R.0.10,000 residual value at the end of its useful life. The double declining balance method of depreciation will be used. What is the balance of the Accumulated Depreciation account at the end of 2011 Select one: a R0.16.000 b.R.O.8.400 CRO.25.600 d R0.10.600 The units-of-activity method is generally suitable for: Select one: a. Land improvement. b. Airplanes c Buildings d Land