Răspuns :
Dep 1= 2000
Dep 2 = 1500
Dep 3 = 2000+1500=3500
Dep 4= 9000-2000-1500-3500= 2000
Dep1+2= 2000+1500=3500
Dep3+4= 3500+2000=5500
Dep 2 = 1500
Dep 3 = 2000+1500=3500
Dep 4= 9000-2000-1500-3500= 2000
Dep1+2= 2000+1500=3500
Dep3+4= 3500+2000=5500