Inferring cash flows from trial balance data. Exhibit 4.21 presents data from the financial statements for Heidi's Hide-Out. a bar and video-game club, with private rooms for rent for parties. Heidi's deals with • many employees, to some of whom it has made advances on wages and to some of whom it owes wages for past work:

• many landlords, to some of whom it has made advance payments and to some o\' whom it owes rent for past months:

• many customers, some of whom have paid for special parties not vet held and some of whom have not yet paid for parties they have held: and

• many suppliers of goods, including food and beverages, some of whom Heidi's has paid for orders not yet received and some of whom have delivered goods for which Heidi's has not yet paid.

Heidi's and its customers, suppliers, and employees settle all transactions with cash, never with noncash assets.

a. Calculate the amount of cash received from retail customers during the current year.

b. Calculate the amount of cash Heidi's paid landlords during the current year for the rental of space.

c. Calculate the amount of cash Heidi's paid employees during the current year.

d. Calculate the amount of cash Heidi's paid suppliers of retail merchandise, which includes food and beverages it sells to retail customers, during the current year.