Job Recruitment Website - Job information - A company wants to recruit a department manager, and three candidates, A, B and C, have been tested for their qualities. The test results are shown in the table: (1) For example.

A company wants to recruit a department manager, and three candidates, A, B and C, have been tested for their qualities. The test results are shown in the table: (1) For example.

( 1)x A =(74+58+87)÷3=73，

X b =(87+74+43)÷3=68，

X and C = (90+70+50) ÷ 3 = 70.

A will be hired;

(2) The comprehensive score of A is Xa = 74× 48+58× 38+87×18 = 69.625.

The comprehensive score of B is XB = 87× 48+74× 38+43×18 = 76.625.

The comprehensive score of c is x c = 74× 48+58× 38+87×18 = 77.5.

Party B shall be employed by ∴;

(3) According to the ratio of 3: 6: 1, determine the test scores of each person and employ B.