Answer: option B
Step-by-step explanation:
in A) budget deficit = G+Tr - T
= 30+20-40
= 10
In B) private saving , Y-C-T = 60
Y = C+G+I
So, C+G+I-C-T = 60
G-T = 60-40 = 20
Budget deficit= 20, HIGHEST
In C) Y = C+G+I+Tr - T
300 = 180+G+ 90 + 20-60
G = 70
So budget deficit= G-T
= 70-60
= 10