4. The following information is available from the accounting records of Eva Corporation. Fixed costs per period are $4800; sales volume for the last period was $19 360 and variable costs were $13 552. Capacity per period is a sales volume of $32 000. (a) Determine the net income at a sales volume of (i) $24 000; (ii) 30% of capacity. (b) Determine the level of operations as a percentage of capacity to gener- ate a net income of $3264