a familys annual income is $78,000 if the MPCf is 0.25 MPS is0.25 and income increases by $10,000 then the family is likely to

a) save 25% of their total income of 80,000 and spend 25% of their total income on foreign goods and services

b) increase spending on home-product goods by$5000 and increase saving by $2,500

c) save 25% of $78,000 and spend 75% of 78,000 on gokds and services

d) on total spend 85,500 and total savings will be $25,000