[Docs] Updated docs for supplier quotation and purchase order

erpnext/docs/user/manual/en/buying/purchase-order.md

@@ -7,7 +7,7 @@ Supplier Quotation.
 
 #### Purchase Order Flow Chart
 
-![Purchase Order]({{docs_base_url}}/assets/old_images/erpnext/purchase-order-f.jpg)
+![Purchase Order]({{docs_base_url}}/assets/img/buying/buying_flow.png)
 
 In ERPNext, you can also make a Purchase Order directly by going to:
 
@@ -39,6 +39,12 @@ which you collect from your Customer. In many regions, what you pay to your
 government is only the difference between what you collect from your Customer
 and what you pay to your Supplier. This is called Value Added Tax (VAT).
 
+#### Add Taxes in Purchase Order
+<img class="screenshot" alt="Purchase Order" src="{{docs_base_url}}/assets/img/buying/add_taxes_to_doc.png">
+
+#### Show Tax break-up
+<img class="screenshot" alt="Purchase Order" src="{{docs_base_url}}/assets/img/buying/show_tax_breakup.png">
+
 For example you buy Items worth X and sell them for 1.3X. So your Customer
 pays 1.3 times the tax you pay your Supplier. Since you have already paid tax
 to your Supplier for X, what you owe your government is only the tax on 0.3X.
@@ -49,7 +55,7 @@ Ideally you must create two Accounts for each type of VAT you pay and collect,
 effect. Please contact your accountant if you need more help or post a query
 on our forums!
 
-  
+
 
 #### Purchase UOM and Stock UOM Conversion
 
@@ -82,5 +88,5 @@ __Step 5:__  Notice that the stock quantity will be updated accordingly.
 
 __Step 6:__ Save and Submit the Form.
 
-  
+
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erpnext/docs/user/manual/en/buying/supplier-quotation.md

@@ -8,7 +8,7 @@ You can make a supplier quotation from a Material Request
 
 #### Supplier Quotation Flow-Chart
 
-![Supplier Quotation]({{docs_base_url}}/assets/old_images/erpnext/supplier-quotation-f.jpg)
+![Supplier Quotation]({{docs_base_url}}/assets/img/buying/buying_flow.png)
 
 You can also make a Supplier Quotation directly from:
 
@@ -23,11 +23,22 @@ usually send out a message (Request for Quote) to various Suppliers. In
 many cases, especially if you have centralized buying, you may want to record
 all the quotes so that
 
-  * You can easily compare prices in the future 
+  * You can easily compare prices in the future
   * Audit whether all Suppliers were given the opportunity to quote.
 
 Supplier Quotations are not necessary for most small businesses. Always
 evaluate the cost of collecting information to the value it really provides!
 You could only do this for high value items.
 
+#### Taxes
+If your Supplier is going to charge you additional taxes or charge like a shipping or insurance charge, you can add it here. It will help you to accurately track your costs. Also, if some of these charges add to the value of the product you will have to mention them in the Taxes table. You can also use templates for your taxes. For more information on setting up your taxes see the Purchase Taxes and Charges Template.
+
+You can select relevant tax by going to "Taxes and Charges" section and adding an entry to the table as shown below,
+
+<img class="screenshot" alt="Supplier Quotation" src="{{docs_base_url}}/assets/img/buying/add_taxes_to_doc.png">
+
+Besides, in case of multiple items you can keep track of taxes on each by clicking "Show tax break-up"
+
+<img class="screenshot" alt="Supplier Quotation" src="{{docs_base_url}}/assets/img/buying/show_tax_breakup.png">
+
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