Four layout alternatives $($A$,$ B$,$ C$,$ D$)$ are to be evaluated $.$ Five factors are to be used in evaluating the layout alternatives: annual material handling cost, construction cost, ease of expansion, employee's preference, and access to railroad siding. The following weights are assigned to the evaluation factors:

Annual material handling cost $20$

Construction cost $25$

Ease of expansion $15$

Employees preference $30$

Railroad siding access $10$

Each layout alternative was ranked on the basis of each factor, with the following results:

Layout Alternatives

Factor A B C D

$110752$

$284109$

$378109$

$468710$

$510657$

Which alternative should be recommended?