https://taskbasedactivities.ca/manage_money/c11comparecostsandmakesimplecalculations/https://taskbasedactivities.ca/manage_money/c12makelow-levelinferencestocalculatecostsandexpensesthatmayincluderatessuchastaxesanddiscounts/https://taskbasedactivities.ca/manage_money/c13findintegrateandanalyzenumericalinformationtomakemulti-stepcalculationstocomparecostoptionsandpreparebudgets/