Please solve this-
A medical care unit of a PHC( Primary Health Care ) consists of 6,000 patient days. The income recieved by the unit was Rs. 30,00,000. The total variable and fixed costs amounted to Rs . 7,50,000 and Rs. 8,40,000. How much number of patient days are required by the unit to break-even ?
a) 187 patient days
b) 194 patient days
c) 125 patient days
d) 140 patient days