Students аre gоing thrоugh а three-step prоcess to obtаin their ID cards. Each student will spend 4 minutes at the registration desk before going to one of three cashiers to pay a fee for the card. After that, he/she will visit one of four ID processing stations to have his/her picture taken and the ID card printed. Registration takes 4 minutes. Visits to the cashier and ID processing station take 10 and 20 minutes respectively. If the demand rate is 0.5 student per minute, which of the following conclusions can be drawn if resources are doubled at the processing station?