The following is spending information for a given year in a given country: Businesses spent $2800 on factories and equipment used in production Households spent $1500 on services Households spent $4000 on houses Government spent $2500 on "regular" government purchases Government spent $1100 on a Welfare transfer program Exports were $800 Imports were $3400 Businesses added $1200 to their inventories Households bought $2000 in goods (both durable and nondurable) Calculate total investment for this nation for the year, carefully following all formatting instructions from the beginning of the assignment.