When using exponential smoothing, the smoothing constant
a. is typically between .75 and .95 for most business applications.
b. can be determined using mad.
c. should be chosen to maximize positive bias.
d. indicates the accuracy of the previous forecast?

Janis owns and operates a store in a country experiencing a high rate of inflation. in order to prevent the value of money in her cash register from falling too quickly, janis sends an employee to the bank four times per day to make deposits in a interest-bearing account that protects the store's revenues from the effects of inflation. this is an example of the (menu costs/ unit of account costs/ shoesleather costs) of inflation. pick one