To test how effectively the website and mobile app can facilitate the activities of the hunger relief

programme, $100$ smartphones with the installed app are in the process of being issued to

beneficiaries located in the East Rand of Johannesburg. The budget at completion $($BAC$)$ for

procuring and distributing the smartphones and training the beneficiaries on using the app is

estimated at R$50,000\mathrm{.}00$ and scheduled over $30$ days. The work performed every $10$ days is

budgeted at a planned value $($PV$)$ of R$16,667\mathrm{.}00.$ By the end of day $10,$ R$12,500\mathrm{.}00$ has been

spent while $28\%$ of the work has been completed.

$4\mathrm{.}1.$ Calculate the earned value $($EV$)$ by the end of day $10.$