Identify whether the following transactions belong in a master file or a transaction file.

a. Update customer address change 

b. Update unit pricing information 

c. Record daily sales 

d. Record payroll checks 

e. Change employee pay rates 

f. Record production run variances 

g. Record Sales Commissions 

h. Change employee office location 

i. Update accounts payable balance 

j. Change customer credit limit 

k. Change vendor payment discount terms 

l.  Record purchases