​The table given below shows the sales of two companies in 5 years.

	Companies
Years	P	Q
A	100	500
B	200	350
C	300	400
D	250	100
E	150	50

Which of the following statement is correct?

I. The ratio of combined sales of P in years A and B to that of combined sales of Q in years D and E is 1 ∶ 2.

II. The sales of P in year C is 300% of the sales of Q in year D.