Using these weights and BLS-recommended procedure, can compute estimate of US population aggregate expenditures on postal delivery services or aggregate expenditures any other category of goods
It is impossible to get the total expenditure on services.
mnli hypothesis: It is impossible to get the total expenditure on services. premise: Using these weights and BLS-recommended procedure, can compute estimate of US population aggregate expenditures on postal delivery services or aggregate expenditures any other category of goods