need the answer of the b
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answer
7.24
explanation
40% of 6000 = 2400
6000-2400=3600
labour's cost = 2400
material cost = 3600
15% of 2400 = 360
2400 + 360 = 2760
20% of 3600 = 720
3600 - 720 = 2880
2760 + 2880 = 5560
6000 : 5560 = 92.76
gap = 100.00 - 92.76
= 7.24