Isaiah$$s gross income is $$52,000,$ and his living expenses consume $70$ percent of his gross income. According to financial experts, how much should Isaiah set aside to cover emergencies?

a$.$ $$18,200$ to $$27,300$

b$.$ $$4,333$ to $$8,667$

c$.$ $$9,100$ to $$18,200$

d$.$ $$13,000$ to $$26,000$