Assume that the linear equation for consumption in a closed economy is C = 40 + 0.8Y. Also, assume that income (Y) is RM400 million. Determine:     

(a)  the marginal propensity to consume        
(b)  the marginal propensity to save      
(c)  the level of consumption       
(d) the average propensity to consume        
(e)  the level of saving        
(f) the average propensity to save  ​

Compare the sources of consumer credit 1. consumers use a prearranged loan using special checks 2. consumers use cards with no interest and non -revolving balances 3. consumers pay off debt and credit is automatically renewed 4. consumers take out a loan with a repayment date and have a specific purpose a. travel and entertainment credit b. revolving check credit c. closed-end credit d. revolving credit

An allergy products superstore buys 6000 of their most popular model of air filters each year. the price of the air filters is $18. the cost of ordering and receiving shipments is $12 per order. accounting estimates annual carrying costs are 20% of the price. the supplier lead time is 2 days. the store operates 240 days per year. each order is received from the supplier in a single delivery. there are no quantity discounts. what is the store’s minimum total annual cost of placing orders & carrying inventory?

Dan mcclure is trying to decide on how many copies of a book to purchase at the start of the upcoming selling season for his bookstore. the book retails at $28.00. the publisher sells the book to dan for $20.00. dan will dispose of all the unsold copies of the book at 75 percent off the retail price, at the end of the season. dan estimates that demand for this book during the season is normal with a mean of 100 and a standard deviation of 42. a. how many books should dan order to maximize his expected profit? b. given the order quantity in part a, what is dan's expected profit? c. the publisher's variable cost per book is $7.50. given the order quantity in part a, what is the publisher's expected profit?