Burdell Labs is a diagnostic laboratory that does various tests $($blood tests, urine tests, etc.$)$ for doctors' offices in the Indianapolis area. Test specimens are picked up at the doctors' offices and are transported to the testing facility, with uniform arrivals throughout the day. All tests go through two testing centers in the testing facility, Test Center A and Test Center B$.$ A has a current capacity of $1,000$ units per week, and B is capable of $1,500$ units per week. The facility operates $50$ weeks per year. This year $($year $0),$ test volumes are expected to reach $1,000$ units per week. Growth per week is projected at an additional $200$ units through year $5($i$.$e$.,1,200$ per week in year #$1,1,400$ per week in year #$2,$ etc.$).$ Pre$-$tax profits are expected to be $$5$ per test throughout the $5-$year planning period. Two alternatives are being considered: