For a bottle$-$filing process, if the fixing cost of an underfilled bottle is $$0\mathrm{.}17,$ and the fixing cost of an overfilled bottle is $$0\mathrm{.}81.$ Which of the following statement would be most likely to minimize

A$.$ The machine should be calibrated at the midpoint between the upper and lower spec limits$.$

B$.$ The machine should be calibrated closer to the upper spec limit than the lower spec limit$.$

C$.$ The machine should be calibrated closer to the lower spec limit than the upper spec limit$.$

D$.$ None of the above.