Table 4 Estimated production costs (PHP) for 20 years of shiitake mushroom cultivation in the smart greenhouse facility in WESVIARC

Year	Variable costs				Fixed cost	Total
	Electricity	Labor cost	Fuel	Other input cost	Annual depreciation
1	326,611	96,300	24,000	16,200	211,590	674,701
2	336,736	99,285	24,744	16,702	211,590	689,058
3	347,175	102,363	25,511	17,220	211,590	703,859
4	357,938	105,536	26,302	17,754	211,590	719,120
5	369,034	108,808	27,117	18,304	211,590	734,853
6	380,474	112,181	27,958	18,872	211,590	751,074
7	392,268	115,659	28,825	19,457	211,590	767,798
8	404,429	119,244	29,718	20,060	211,590	785,041
9	416,966	122,941	30,639	20,682	211,590	802,818
10	429,892	126,752	31,589	21,323	211,590	821,146
11	443,219	130,681	32,569	21,984	211,590	844,202
12	456,958	134,732	33,578	22,665	211,590	863,684
13	471,124	138,909	34,619	23,368	211,590	883,770
14	485,729	143,215	35,692	24,092	211,590	904,479
15	500,787	147,655	36,799	24,839	211,590	925,829
16	516,311	152,232	37,939	25,609	211,590	947,842
17	532,317	156,951	39,116	26,403	211,590	970,536
18	548,818	161,817	40,328	27,222	211,590	993,935
19	565,832	166,833	41,578	28,065	211,590	1,018,059
20	583,373	172,005	42,867	28,935	211,590	1,042,930

Note: WESVIARC, Western Visayas Integrated Agricultural Research Center.