LAW

A, B, C, and D are siblings. When their parents died, they inherited five apartment units. A, B, C and D continued to collect from each of the tenants P15, 000 per month. A, B, C, and D formed a partnership and decided that all the income from the lease of the apartment units shall be given to their youngest sibling D. They filed the articles of partnership in SEC. Is the partnership formed by A, B, and C valid? Explain your answer.