$2.$A COMPUTER COMPANY MAKES $10$$ ON EACH MODEL OF A AND $40$$ ON EACH MODEL OF B$.$ EACH COMPUTER REQUIRES THE FOLLOWING TIME ON CLEANING AND PRODUCTION AS SHOWN BELOW.

A REQUIREMENT

B REQUIREMENT TIME

AVAILABLE

PRODUCTION

$1$

$2$

$30$

CLEANING

$4$

$3$

$36$

A$.$STATE THE OBJECTIVE FUNCTION AND THE CONSTRAINTS

B$.$SOLVE THE PROBLEM GRAPHICALLY