The table given below shows the income and savings of six companies.

Company	Revenue	Savings
P	200	100
Q	400	300
R	300	50
S	800	200
T	600	150
U	500	350

Expenditure = Revenue - Savings

Which of the following statement is correct?

I. The average expenditure of all the companies is 275.

II. The ratio of expenditure of company P to that of company U is 3 : 2.