The marginal propensity to consume is the:

a. dollar amount that income increases by when consumption increases by $1.
b. dollar amount that consumption increases by when income increases.
c. proportion of total income that is consumed.
d. proportion of extra income that is consumed.

Food goblin supermarkets use both cashiers and baggers to serve customers at check out. during the first 6 hours of each workday (monday-friday), 3 cashiers and 2 baggers serve approximately 23 customers per hour. a cashier and a bagger who require approximately 4 minutes at checkout and 3 minutes at bagging serve each customer. a. how many employees should food goblin supermarket schedule if it requires a 12 percent capacity cushion? food goblin supermarket should schedule nothing cashier(s). (enter your response rounded up to the nearest whole number.)