Busia Manufacturing LTD accounting records reflect the following inventories:

Dec. 31, 2020 Dec. 31, 2019

Sh'000' Sh'000'

Raw materials inventory 310,000 260,000

Work in process inventory 300,000 160,000

Finished goods inventory 190,000 150,000

During 2020, Sh.500,000,000 of raw materials were purchased, direct labour costs amounted to Sh.600,000,000 and manufacturing overhead incurred was Sh.480,000,000.

Required

The total raw materials available for use during 2010 for Busia Manufacturing LTD is Sh.