A user reports the following SQL error when selecting the discounted sale price field:
ERROR: column "order_items.sale_price"; must appear in the GROUP BY clause or be used in an aggregate function.
The developer checks the field definition and finds it to be:
measure: discounted_sale_price {
type: number
sql: ${sale_price} * 0.8 ;;
}
The developer also finds the LookML definition of the sale_price field to be:
dimension: sale_price {
type: number
sql: ${TABLE}.sale_price ;;
}
What is the likely cause of the SQL error?

Only users with department attributes of Finance and Executive should be able to access the revenue view. Only users with the value of Executive for the department user attribute should be able to view the total_revenue field.
Given the code snippet below:

How should the required access grants be structured to set up this system of access?