Πεψενθε 

S[] = `+`(`*`(2300, 50), 4500) 

S[] = 119500 (13.2.1)
 

S[] = `*`(2250, 50) 

S[] = 112500 (13.2.2)
 

 

S[] = `+`(`*`(2350, 50), 3700) 

S[] = 121200 (13.2.3)