A student takes 50 g wax (specific heat `=0.6 kcal//kg^(@)C`) and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively.
A. `500 cal, 50^(@)C`
B. `1000 cal, 100^(@)C`
C. `1500 cal, 200^(@)C`
D. `200^(@)C`