Peter is a part-time student of College Pintar. Since he is working on full-time basis in a private company, he promised to pay his wife, Rebecca, RM800 of she prepares and types his assignment for him that he has to submit by the end of the month. Peter later refused to pay Rebecca RM800 and claimed that he was not serious in making the offer. Discuss the issues of intention to create legal relations and the presumption of such intentions