Digital Protection Servicing provides support to customers in the area of ecommerce. Using the format provided, show the effects of the activities listed in $($a$)$ through $($f$).($Enter all amounts as positive values.$)$

a$.$ Katie Copp, the owner, invested cash of $$55,000$ into the business.

b$.$ The owner purchased office supplies on credit; $$2,100.$

c$.$ Digital Protection Servicing did work for a client and received $$10,000$ cash.

d$.$ Completed an application form for a $$25,000$ government grant.

e$.$ The owner paid her assistant's salary; $$7,500$ cash.

f$.$ Completed work for a customer on credit; $$2,750.$