Read the paragraph carefully and answer the following questions.
Two general stores P & Q sells five items i.e. A, B, C, D & E. Total number of items sold by these two stores is 8400 and ratio between total items sold by store P to store Q is 3:4. Total item A sold by store P is `16(2)/(3)%` more than total item D sold by that store, while total item C sold by store P is 160 less than total item D sold by store P. Total item B sold by store P is `77(7)/(9)%` more than total item D sold by store P and total number of item E sold by store P is 1080 less than that of item B sold by store P. Total item D & item B sold by store Q is 240 and 12.5 % more than same items sold by store P respectively. Respective ratio of total item A, C & E sold by store Q is 26:23: 11.
Find average number of item D sold by store P & Q?

Options

A. 880
B. 800
C. 860
D. 840

Answer

D