The correct options are
A increase
C Rs. 4,000
Since goods worth Rs. 10,000 are sold, it is considered as an expense. Also, Rs. 14,000 is received; it is regarded as an income. So the value of capital will be increased by Rs. 14,000 and reduced by Rs. 10,000 giving a net impact of increase by Rs. 4,000 (14,000 - 10,000).