The monthly payment p on a morlgage varies directly with the amount borrowed B. If the monthly payment on a 30 - jear mortgage is $6.18 for every $1000 borrowed, find a inear equabon that relates the monthly payment p to the amount borrowed is for a mortgage with the sare torms. Then find the monthly payment p when the amount borrowed is 5160,000 What is the generat formula describing the varation? Use k for the contant of proportionalify. p=kBp=kB p=Bkp=kB2 In particular, when B=$160,000, what is the monthly payment? p=5 (Type an integer or a decimal)