A window manufacturer makes the rubber seals in$-$house using a high pressured press. To process rubber seals, two presses are used. Each press has $800$ unit$/$hour capacity. The company operates $16$ hours a day, five days a week. During a typical week, the actual number of operating hours is smaller due to preventative maintenance and other forms of downtown. Effective capacity rate for this operation is $100,000$ rubber per week and actual production rate is $90,000$ rubber seals per week. Calculate the capacity utilization rate.

$70\mathrm{.}3\%$

$90\%$

$78\mathrm{.}1\%$

$140\mathrm{.}6\%$