D. assume qualified is already declared. code a fall-through switch statement that will print the following messages: when qualified is 1 and 2: you are a student or teacher and you get a 10% discount. when qualified is 3 and 4: you are a senior citizen or military and you get a 12% discount. when qualified is any other value: sorry, youre not eligible for a discount.

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.