Make an algorithm for a program that reads two integers each state the length of telephone conversation per second and the area code (1, 2, or 3) which contacted, and calculates the cost of telephone conversations in rupiah, and displays on screen, with the talk rate per second for each region being
a. wilayah 1 = Rp. 100,00 / detik
b. wilayah 2 = Rp. 200,00 / detik
c. wilayah 3 = Rp. 300,00 / detik