Assume that in​ 2015, the following prevails in the Republic of​ Nurd: Government spending​ (G) =​ $0 Net taxes​ (T) =​ $0 Planned investment​ (I )​ = ​$30 Assume that households of Nurd consume 80 percent of their​ income; they save 20 percent of their income. In other​ words, their MPC​ = 0.80 and MPS​ =0.20. ​Thus, the consumption function and saving function of Nurd​ are: C​ =0.80Y and S​ = 0.20, where disposable income ​= YT ​Currently, the economy