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Bob loves foreign languages and wants to plan his course schedule for the following years. He is…

Bob loves foreign languages and wants to plan his course schedule for the following years. He is…

Bob loves foreign languages and wants to plan his course schedule for the following years. He is interested in the following nine language courses: LA15, LA16, LA22, LA31, LA32, LA126, LA127, LA141, and LA169. The course prerequisites are:• LA15: (none)• LA16: LA15• LA22: (none)• LA31: LA15• LA32: LA16, LA31• LA126: LA22, LA32• LA127: LA16• LA141: LA22, LA16• LA169: LA32In what order can Bob take these courses, respecting the prerequisites?