Distinguish between marginal costing and absorption costing :-   Marginal costing-definition :-Marginal costing distinguishes between fixed costs and variable costs as â¦ convention ally classified.   The marginal cost of a product - is its variable cost.
You can find out the gender as early as 7 weeks if you get the blood work done to see if your baby will have down syndrome. If you choose not to do that test the soonest you can tell by ultra sound is 12 weeks. My obgyn did the blood test for us with my last pregnancy and we found out before the 12 weeks. cupcake31090
99% of the time, no you can not tell the sex of the baby at 3 months (12 weeks), unless you get testing done. Usually doctors wont even look until after 16 weeks, but most usu â¦ ally at the 20 week scan when it would be a lot easier to tell, and they could give you a more certain answer. 18 people found this useful.ou have to wait until 18 weeks so just over 4 months, anytime before that and the baby's genitalia looks similar. At any point before the 18 weeks the doctor can't tell what â¦ gender it is.