Discuss four problems associated with
co-operation​

Explanation:

1)Co-operative members do not feel comfortable interacting with larger or more formal businesses as they do not understand their business culture and norms.2)There is a lack of understanding by the development project of the realities and perceptions of co-operatives within their country's contexts.3)There is mistrust among co-operative members as well as amongst general members and the management / board. A key challenge within co-operatives is a lack of transparency between the governing board and the general members.4)Members may embrace cooperation but not necessarily collective business (shared finance).

what is the tax base for the sales tax?

it should be (usually ) 6%