Volume change of ideal gas

Classical Mechanics Level 1

The above is the pressure-temperature diagram of a given mass of ideal gas which is circulating by the sequence A \(\to\) B \(\to\) C \(\to\) A. Let V\(_A\), V\(_B\) and V\(_C\) denote the volumes at A, B and C, respectively, then what is the ratio \[V_A:V_B:V_C?\]