Keith Inc. has $4$ product lines: sour cream, ice cream, yogurt, and butter. Demand

of individual products is not affected by changes in other product lines. $25\%$ of

the fixed costs are direct, and the other $75\%$ are allocated. Results of June follow:

What is the incremental effect on profits if the sour cream product line is

dropped?

Should Keith Inc. drop the sour cream product line?