Please please please help me answer these accounting questions. Thank you!

17) On January 1, 2016, management Exotic Company decided to make a revisionin the estimates associatedwith its production equipment. The equipment was acquired on January 3, 2014, for P800,000 andhad been depreciated using straight-line method. At the date of acquisition, it had an estimated useful life of 10 years with an estimated salvage value of P50,000. Management has detemined that the equipment's remaining useful life is four years and that is has an estimated residual value of P60,000. What is the amount of depreciation expense that should be recognized in 2016 as a result of the changes in estimates? Use the following information for the next two (2) questions: One Man Company provided the following information on selected transactions during 2015: Purchase of land by issuing bonds 250,000 Proceeds from issuing bonds 500,000 Purchases of inventory 950,000 Purchases of treasury shares 150,000 Loans made to affiliated corporations 350,000 Dividends paid to preference shareholders 100,000 Proceeds fom issuing preference share 400,000 Proceeds from sale of equipment 50,000 18) The net cash provided (used) by investing activities during 2015 is 19) The net cash provided by financing activities during 2015 is A B 20) Dart Company and its divisions are engaged solely in manufacturing operations. The following data pertains to the industries in which operations were conducted for the year ended December 31, 2017. Segments Total revenue Operating profit Identifiable assets 13,000,000 4,000,000 25,000,000 9,000,000 2,000,000 20,000,000 7,700,000 1,500,000 15,000,000 3,000,000 1,000,000 7,000,000 E 3,800,000 800,000 8,000,000 F 3.500.000 700.000 5,000,000 40.000.000 10,000,000 80,000,000 In its segment information for 2017, how many reportable operating segments does Dart have? D