Use below information for Questions $1$ to $3$ :

$$enses Inc. manufactures tables that are sold through a network of sales agents. The agents are paid a commission at a

percent of sales basis. For the year ending December $31,2017,$

Sales have been TL$85,000,000.$

Gross profit margin and operating profit margin have been reported to be $35\%$ and $15\%,$ respectively.

$46\%$ of COGS have been variable. Besides, $88\%$ of operating expenditures have been variable sales commissions.

The company is considering hiring its own sales staff to replace the network of agents. It will pay its salespeople a

commission of $8\mathrm{.}50\%$ and incur additional fixed costs of TL$4,580,000.$

Q$-1)$ Calculate the degree of operating leverage at sales TL$85,000,000$ if the company uses sales agents.

Q$-2)$ Saadettin Bey, the owner of $$enses Inc., considers employing in$-$house sales staff. Calculate the change in net

income in TL if sales increase by $10\%$ assuming in$-$house sales staff is employed.

Q$-3)$ Calculate the estimated sales volume in TL that would generate an identical net income for the year ending

December $31,2017,$ regardless of whether the company uses sales agents or employs its own sales staff.