For the previous month, the Bichsel Lounge served $2,200$ customers with very few complaints. Their labor cost was $$3,300$; material cost was $$1,100$; energy cost was $$400$; and building's lease cost was $$1,700.$ They were open $26$ days during the month, and the lounge has $22$ seats. They are open eight hours per day, and the average customer stay is one hour.

a$.$ Calculate the single$-$factor productivities and the overall multiple$-$factor productivity. Do not round intermediate calculations. Round your answers to two decimal places.

Single$-$factor labor productivity: customers per labor$

Single$-$factor material productivity: customers per material$

Single$-$factor energy productivity: $$ customers per energy$

Single$-$factor building productivity: $$ customers per lease$

Overall multiple$-$factor productivity: $$ customers per total$

b$.$ Calculate the monthly capacity. Do not round intermediate calculations. Round your answer to the nearest whole number.

customers

Calculate the capacity utilization. Do not round intermediate calculations. Round your answer to two decimal places.

$\%$