Mary's team is located in different countries. Because of the time zone differences, it is difficult for the team to meet all together so their meetings are conducted . a) when Mary can meet because she is the leader b) synchronously c) at the same time d) the end of the project is reached e) asynchronously

mark, a civil engineer, entered into a contract with david. as per the contract, mark agreed to design and build a house for david for a specified fee. mark provided david with an estimation of the total cost and the contract was mutually agreed upon. however, during construction, when mark increased the price due to a miscalculation on his part, david refused to pay the amount. this scenario is an example of a mistake.