Manufacturer sold the goods 1000+sgst+cgst(50+50)(interstat

Naitik (students) (25 Points)

28 April 2017  

Manufacturer sold the goods  1000+sgst+cgst(50+50)(interstate)

Sold goods to wholesaler (interstate )

Wholesaler sold the goods to reseller after adding margin 

1500+cgst+sgst (interstate )

1500+(75+75)

Sold to retailer (inter state )

Retailer finely sold the item to consumer

2000+(100+100)cgst +sgst 
(Rate of tax both cgst sgst is 5%assume )
It is correct or not

If wrong then
1 )what is mistake 
2)what is happen when manufacturer is other state and the wholeseller and retailer are the same state.
3)what happen when manufacturer whole seller and retailer are different state .