4. Rizzanie got hired and was employed as an accountant in one of the prestigious accounting firms in Manila.She is living alone in her condo while herfamily is living in Mindanao.She feels ill for a week but continues to go to work not until one day when she collapsed and needs to be rushed to the nearest hospital.She suffered stroke and in a state of being comatose for one (1) week.She was attended to by a physician and was given the necessary medication and treatment.Her friend, Lanie,who never leaved her, helps her.After 1 month of

battling from her serious illness, she is finally out from the hospital where the total bill reached to One Million pesos including the Physician's fee, medicines and other expenses.Her

friend, Lanie, paid all of the expenses.Is Rizzanie obliged to reimburseLanie on theexpenses she incurred on the former'shospitalization? Explain.