Using the accompanying log$-$log graph, answer the following questions:

a$)$ What are the implications for management if it has forecast its cost on the optimum line?

A$.$ Management had some difficulties controlling the production time of the first units produced whereas there are no considerable difficulties with the latest units produced.

B$.$ Management does not have any considerable difficulties since the optimum line is a straight line.

C$.$ Management seems to have considerable difficulty controlling costs.

D$.$ Management seems to gain additional profit as long as actual results are higher than the forecast.

b$)$ What could be causing the fluctuations above the optimum line?

A$.$ fluctuations in the quality of raw materials

B$.$ inconsistent maintenance of machinery

C$.$ turnover in the workforce

D$.$ All of the above.

$$c$)$ If management forecasted the

fifteenthfifteenth

unit on the optimum$$ line, what was that forecast in$$ hours?

The optimum time for the

fifteenthfifteenth

unit is approximately

$$

$105$

$60$

$50$

hours.