Answer:
How much depreciation expense was recorded on equipment during 2015? $10000
Explanation:
Year	Cost	monthly Dep	NBV
Year 1	210000	10000	200000
Year 2	200000	10000	190000
Year 3	190000	10000	180000
Year 4	180000	10000	170000
Year 5	170000	10000	160000
Year 6	160000	10000	150000
Year 7	150000	10000	140000
Year 8	140000	10000	130000
Year 9	130000	10000	120000
Year 10	120000	10000	110000
Year 11	110000	10000	100000
Year 12	100000	10000	90000
Year 13	90000	10000	80000
Year 14	80000	10000	70000
Year 15	70000	10000	60000
Year 16	60000	10000	50000
Year 17	50000	10000	40000
Year 18	40000	10000	30000
Year 19	30000	10000	20000
Year 20	20000	10000	10000
Year 21	10000	10000	0