II. Growth of lungs into the body cavity and development of the diaphragm. 1  lateral folding of the body wall encloses the foregut endoderm such that it is suspended within the intraembryonic coelom (or body cavity) by a sling of dorsal mesentery, which is mesoderm derived.
PayPal make money through following type of transactions. 1  2.9 to 3.9 % per transaction - each time a transaction happens on any website PayPal charges 2.9% for domestic transaction and 3.9% to international transaction. 2  3 to 5% on currency conversion charges - i.e. converting USD to INR or Converting USD to GBP etc.
How to Calculate PayPal Fees. When completing a transaction through PayPal, the seller must pay a PayPal fee. The buyer isn't forced to pay any fee. The fee the seller pays is calculated for each transaction and is represented as a percentage of the total transaction plus 30 cents. The PayPal percentage rate fluctuates depending on the amount of money the seller earns in one month through PayPal. PayPal requires sellers to pay fees monthly. Step 1.