8 . od What is the value of cost of sales it: Sales R60 000, Closing stock R10 000 Opening Stock R10 000, Purchases R50 000, Wages R20 000 and Office Rent R10 000? toutol Select one: O a. R30 000 O b. R10 000 question O R70 000 O d. R50 000 9 A manufacturer owns three machines the first acquired on 1.1.2006 for R110 000, the second on 1.7.2008 for R90 000, and the third on 1.10.2010 for R130 000, He expects to use each machine for ten years and realise the scrap for R10 000. Using the straight-line method, what is his depreciation for the year ended 31.12.2010 out of agoston Select one: a R30 000 b. R33 000 R21 000 O d. R12 000