第二部分:財金數學 1. (5 points) Consider the system of following questionswhere x1, x2, x3 are unknown. Please use the matrix-vector product to express the 3 x 3 linear system

(3) (5 points) Tony Lin is a founder of a highly innovative company. The company is facing a high-growth period. Tony insists to use debt financing to support the firm's new investment. Does Tony make the right decision? Why, or why not? Why does Tony make such a decision? Is there anything related to his personal preference?