Time Receipt

#include <SoftwareSerial.h>
#include <DS1307.h>
#include <Ultrasonic.h>
#include <FlexiTimer2.h>
DS1307 clock;//define a object of DS1307 class

SoftwareSerial mp3(8, 9); // RX, TX
Ultrasonic ultrasonic0(2);

long mp3_time = 0;
int date_flag = 0;

int per_min = 0;

int times = 0;

unsigned char mp3Hex_play1[6] {0xAA, 0x07, 0x02, 0x00, 0x01, 0xB4};
unsigned char mp3Hex_VOLUME[5] {0xAA, 0x13, 0x01, 0x16, 0xD4};
void Print()
{
  if(date_flag == 0)
  {
    Serial.println("________________________________");
    Serial.println("TIME         QTY          AMOUNT");
    Serial.println("--------------------------------");
    per_min = clock.minute;
    date_flag = 1;
  }
  if(clock.minute - per_min >= 1)
  {
    Serial.print(clock.hour, DEC);
    Serial.print(":");
    Serial.print(clock.minute, DEC);
    Serial.print(":");
    Serial.print(clock.second, DEC);
    Serial.print("      1       Priceless");
    Serial.println();
    ++times;
    per_min = clock.minute;
  }else if(ultrasonic0.RangeInCentimeters <= 10)
  {
    Serial.print(clock.hour, DEC);
    Serial.print(":");
    Serial.print(clock.minute, DEC);
    Serial.print(":");
    Serial.print(clock.second, DEC);
    Serial.print("      1       Priceless");
    Serial.println();
    ++times;
  }
  if(times == 30)
  {
    Serial.println("________________________________");
    Serial.println("TIME         QTY          AMOUNT");
    Serial.println("--------------------------------");
    times = 0;
  }
}

void MP3()
{
  if(mp3_time != 0)
  {
    if(millis() - mp3_time >= 7500)
    {
      mp3_time = millis();
      mp3.write(mp3Hex_play1, 6);
      delay(500);
    }
  }else
  {
    mp3_time = millis();
    mp3.write(mp3Hex_play1, 6);
    delay(500);
  }
}

void setup() {
  Serial.begin(9600);
  clock.begin();
  mp3.begin(9600);
  mp3.write(mp3Hex_VOLUME, 5);
  FlexiTimer2::set(1000, 1.0/1000, Print);
  FlexiTimer2::start();
}

void loop() {
  clock.getTime();
  ultrasonic0.MeasureInCentimeters();
  if(ultrasonic0.RangeInCentimeters <= 10)
  {
    MP3();
  }
}