Give me the answer for b and c

(0, 15) 15- PPP Lines of code (Lines/ Hour) (1, 13) 12 (2, 10 ) 6- (3,6) 3- ( 4,0) 3 5 Reset Web pages (Pages/Hour) of Code? b) If the economy is at production B, what is the opportunity cost of 1 more Web Page measured in terms of the number of Lines Opportunity Cost = 0 Lines of Code c) What must the economy do to operate at some point on the production possibilities frontier? It must maximize opportunity cost It must obtain full employment and avoid productive efficiency It must obtain full employment and productive efficiency It must maintain stable production while minimizing employment