Sanborn Company has 10 employees, who earn a total of $2,100 in salaries each working day. They are paid on Monday for the five-day workweek ending on the previous Friday. Assume that year ended December 31, is a Wednesday and all employees will be paid salaries for five full days on the following Monday. The adjusting entry needed on December 31 is:

Four key marketing decision variables are price (p), advertising (a), transportation (t), and product quality (q). consumer demand (d) is influenced by these variables. the simplest model for describing demand in terms of these variables is: d = k – pp + aa + tt + qq where k, p, a, t, and q are constants. discuss the assumptions of this model. specifically, how does each variable affect demand? how do the variables influence each other? what limitations might this model have? how can it be improved?