B. Simultaneously, the US is enacting an investment policy that repeals significant tax credits to private American businesses that are refusing to meet government anti-pollution goals. B1. How would the US investment policy influence the world market of loanable funds and the world interest ( r ) ? Explain. No graph needed. [5 points] B2. Would the change in the world interest rate makes it harder or easier for Mexico to reach a balanced trade? Explain. [8 pts ] .