Shirley Cosby, an owner, made an additional investment of $$52,500$ in cash.A firm purchased equipment for $$15,000$ in cash.A firm sold some surplus office furniture for $$9,050$ in cash.A firm purchased equipment, a computer, for $$4,875,$ to be paid in $60$ days.A firm purchased equipment for $$10,500$ on credit. The amount is due in $60$ days.Jack Walker, owner of Walker Travel Agency, withdrew $$20,000$ of his original cash investment.A firm bought a delivery truck for $$42,075$ on credit; payment is due in $90$ days.A firm issued a check for $$3,600$ to a supplier in partial payment of an open account balance