@property (strong, nonatomic) NSMutableArray *tab;

- (NSString *)dataFileName
{
    NSError *err = nil;
    NSURL *dir = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSAllDomainsMask appropriateForURL:nil create:YES error:&err];


    NSString *path = [[dir path] stringByAppendingString:@"/employeeListData.plist"];


    return path; //path has not been declared yet
}


- (void)saveDataToFile
{

NSMutableArray *a = [NSMutableArray array];
for (int c = 0; c < [self.employeeList count]; c++) {
    NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
    id r = [self.employeeList objectAtIndex:c];
    [dictionary setObject:[r username] forKey:@"username"];
    [dictionary setObject:[r passWord] forKey:@"passWord"];
    [dictionary setObject:[r employeeName] forKey:@"employeeName"];
    [dictionary setObject:[r grade] forKey:@"grade"];
    [dictionary setObject:[r email] forKey:@"email"];
    [dictionary setObject:[r phone] forKey:@"phone"];
    [dictionary setObject:[r freePeriods] forKey:@"freePeriods"];
    [dictionary setObject:[r committee] forKey:@"committee"];
    [dictionary setValue:[NSNumber numberWithBool:[r hasKey]] forKey:@"hasKey"];
    [dictionary setObject:[r hours] forKey:@"hours"];
    [dictionary setObject:[NSArray arrayWithArray:[r tab]] forKey:@"tab"];
    float num = [r tabTotal];
    NSNumber *floatObject = [NSNumber numberWithFloat:num];
    [dictionary setObject:floatObject forKey:@"tabTotal"];
    [a addObject:dictionary];
    }

    [a writeToFile:[self dataFileName] atomically:YES];
}

- (void)readDataFromFile
 {
[self createEmployeeList];
NSArray *tempArray = [NSArray arrayWithContentsOfFile:[self dataFileName]];
for (int d = 0; d < [tempArray count]; d++) {
    Employee *person = [[Employee alloc] init];
    NSDictionary *dict = [tempArray objectAtIndex:d];
    [person setUsername:[dict objectForKey:@"username"]];
    [person setPassWord:[dict objectForKey:@"passWord"]];
    [person setEmployeeName:[dict objectForKey:@"employeeName"]];
    [person setGrade:[dict objectForKey:@"grade"]];
    [person setEmail:[dict objectForKey:@"email"]];
    [person setPhone:[dict objectForKey:@"phone"]];
    [person setFreePeriods:[dict objectForKey:@"freePeriods"]];
    [person setCommittee:[dict objectForKey:@"committee"]];
    [person setHasKey:[[dict valueForKey:@"hasKey"] boolValue]];
    [person setHours:[dict objectForKey:@"hours"]];
    [person setTab:[[dict objectForKey:@"tab"] mutableCopy]];
    NSNumber *floatNumber = dict[@"tabTotal"];
    float floatValue = floatNumber.floatValue;
    [person setTabTotal:floatValue];
    [self.employeeList addObject:person];
    }


}