Question $1$: The following items could appear on a bank reconciliation:

a$.$ Outstanding checks, $$670.$

b$.$ Deposits in transit, $$1,500.$

c$.$ NSF check from customer, no$.548,$ for $$175.$

d$.$ Bank collection of note receivable of $$800,$ and interest of $$80.$

e$.$ Interest earned on bank balance, $$20.$

f$.$ Service charge, $$10.$

g$.$ The business credited Cash for $$200.$ The correct amount was $$2,000.$

h$.$ The bank incorrectly decreased the business$$s account by $$350$ for a check written by another business.

Classify each item as $(1)$ an addition to the book balance, $(2)$ a subtraction from the book balance, $(3)$ an addition to the bank balance, or $(4)$ a subtraction from the bank balance.