Answer: Hoover's days in inventory in 2011 was 50 days.
Step-by-step explanation:
Given that,
Beginning inventory = $110000
Ending inventory = $70000
Cost of goods sold = $660000
Sales = $900000
Average Inventory =

=

= 90000
Inventory Turnover =

=

= 7.33
Hoover's days in inventory in 2011 =

=

= 50 Days