in part C the S1 is not zero. can you please what would the S1 and find part A?

Consider the following linear program and answer the following questions. Maxs.t.1A+2B92A+1B183A+4B1A+2B17A,B0 (a) Write the problem in standard form. Max3A+4B+()S1+(S2+(S3 s.t. 1A+2B+ 1A+2B + 2A+1B A,B,S1,S2,S30 (b) Solve the problem using the graphical solution procedure. (A,B)=() (c) What are the values of the three slack variables at the optimal solution? S1=S2=