$3.$ Solve the problem above by using array and index sets. Include together

$-$SAS Data sets. Create it by using SAS DATA steps.

$-$ LET macro statement to create a parameter for budget limit$.$ The budget of the company is RM$10,000.$

$-$ Array and Index Sets to solve the problem. Include all declarations for:

$$ Sets and parameters

$$ Variables

$$ Implicit variables

$$ Constraints

$$ Objective function

$-$ READ data statement, to read data from SAS data sets.

$-$ Print parameter arrays for all parameters. Include its currency in Ringgit Malaysia.

$-$ EXPAND statement, to list all formulations