Final answer:
Among the options provided, an oral contract of partnership where a partner contributes real property with a value less than P3,000 is likely the valid one, as larger sums typically require written agreements and contracts between spouses on universal partnerships of present properties are generally invalid.
Step-by-step explanation:
To address which of the options provided is a valid contract, we must consider the legal requirements for contracts, especially when it comes to partnerships and agreements between spouses. In general, the law often requires certain contracts to be in writing to be enforceable.
An oral contract of partnership where a partner contributes real property with a value less than P3,000 could be legally valid as long as the value does not require a written agreement by law. However, an oral contract of partnership where the capital is P3,000 or more would usually require a written form due to statute of frauds regulations in many jurisdictions which mandate written contracts for agreements involving larger sums of capital.
A written contract of universal partnership of present properties between husband and wife is typically invalid because, in many jurisdictions, there are restrictions on contracts of universal partnership between spouses to prevent conflicts of interest and protect matrimonial assets.
Thus, given the typical legal restrictions, the valid option among those provided would be: a. Oral contract of partnership where a partner contributes real property with a value less than P3,000, assuming that no other legal restrictions apply and that oral contracts for such transactions are valid in the applicable legal jurisdiction.