Can you help me with my homework for my economy class. Thanks!

Which year we should change from DDB to SL.

If the lathe is to be depreciated over the early portion of its life by the DDB method and then by a switch to the SL method for the remainder of its life, when should the switch occur? Lathe DDB Lathe SL Depreciation Depreciation n Dn BV n Dn 0 43000 0 1 7167 35833 1 3583 2 5972 29861 2 3258 3 4977 24884 3 2986 4 4147 20737 4 2765 5 3456 5 6 14401 6 2469 7 2400 12001 7 8 2000 10000 8 2400 9 1667 8334 9 2500 10 1389 6945 10 2778 11 1157 5787 11 3472 12 965 4823 12 5787In what year should we switch to Straight IJne Depreciation in problem #8? D On year 4 we should switch to Straight Line Depreciation. D On year 1' we should switch to Straight Line Depreciation. D On year 10 we should switch to Straight Line Depreciation. D On year 5 we should switch to Straight Line Depreciation