In Topic $4$ Transshipment Problem Example $3($slide $12-15),$ assuming xij represents the number of tons of wheat shipping from location i to location j$.$ which of the following are the constraints of this problem $?$

x$13+$ x$14+$ x$15<300$

x$23+$ x$24+$ x$25<300$

x$36+$ x$46+$ x$56=200$

x$37+$ x$47+$ x$57=100$

x$38+$ x$48+$ x$58=300$

x$13+$ x$23+$x$14+$x$24+$x$15+$x$25<600$

x$46+$ x$47+$ x$48+$ x$56+$ x$57+$ x$58=400$

xij $>0$

x$13+$ x$14+$ x$15<300$

x$23+$ x$24+$ x$25<300$

x$36+$ x$46+$ x$56=200$

x$37+$ x$47+$ x$57=100$

x$38+$ x$48+$ x$58=300$

x$13+$ x$23+$x$14+$x$24+$x$15+$x$25<600$

x$46+$ x$47+$ x$48+$ x$56+$ x$57+$ x$58=400$

xij binary

$16$x$13+10$ x$14+12$x$15<300$

$15$x$23+14$ x$24+17$x$25<300$

$10$x$36+7$x$46+11$x$56<200$

$8$x$37+11$x$47+5$x$57=100$

$10$x$38+11$x$48+12$x$58=300$

$16$x$13+15$x$23=6$x$36+8$x$37+10$x$38$

$10$ x$14+14$ x$24=7$x$46+11$ x$47+11$ x$48$

$12$ x$15+17$x$25=4$x$56+5$x$57+12$ x$58$

xij $>0$

x$13+$ x$14+$ x$15<300$

x$23+$ x$24+$ x$25<300$

x$36+$ x$46+$ x$56=200$

x$37+$ x$47+$ x$57=100$

x$38+$ x$48+$ x$58=300$

x$13+$ x$23=$ x$36+$x$37+$ x$38$

x$14+$ x$24=$ x$46+$ x$47+$ x$48$

x$15+$ x$25=$ x$56+$ x$57+$ x$58$

xij $>0$

x$13+$ x$14+$ x$15<300$

x$23+$ x$24+$ x$25<300$

x$36+$ x$46+$ x$56=200$

x$37+$ x$47+$ x$57=100$

x$38+$ x$48+$ x$58=300$

x$13+$ x$23=$ x$36+$x$37+$ x$38$

x$14+$ x$24=$ x$46+$ x$47+$ x$48$

x$15+$ x$25=$ x$56+$ x$57+$ x$58$

xij binary

$16$x$13+10$ x$14+12$x$15<300$

$15$x$23+14$ x$24+17$x$25<300$

$10$x$36+7$x$46+11$x$56<200$

$8$x$37+11$x$47+5$x$57=100$

$10$x$38+11$x$48+12$x$58=300$

$16$x$13+15$x$23=6$x$36+8$x$37+10$x$38$

$10$ x$14+14$ x$24=7$x$46+11$ x$47+11$ x$48$

$12$ x$15+17$x$25=4$x$56+5$x$57+12$ x$58$

xij binary