Use the following information to answer question $13$:

Panyapanya Ltd and a customer entered into a contract on $1$ January $2023$ for the sale of'g of $900$ bicycles to the latter, to be delivered over nine months. The transaction price of the bicycles at the contract date was R$200$ each. Over the nine months, the bicycles were to be delivered to the customer at different intervals.

Both the supplier and the customer decided to modify the original contract on $1$ June $2023,$ although Panyapanya Ltd had already delivered $500$ bicycles as per the original agreement to the customer at this point. The modified contract included the delivery of an additional $150$ bicycles at a price of R$150$ each. The bicycles that Panyapanya Ltd sold are distinct goods, regularly sold, and their pricing at the time of the contract reflected the contract's stand$-$alone price.

QUESTION $13$:

According to the contract, how much revenue will be recognised from the date of modification of contract?

$1.$ R$180000$

$2.$ R$100000$

$3.$ R$102500$

$4.$ R$202500$