It is now the end of May $2024.$ You are planning to leave the country at the end of the year. You have three debtors each owing you an amount of R$15000.$ Sitter must pay you R$15000$ back in three months' time from now, Stacy hers in five months' time from now and Skipper his in seven months' time from now. You tell them that it will be all right if they each pay you back just before you leaves at the end of December $2024.$ However, you will charge simple interest at $10\%$ from the time that they were each supposed to pay back the amount of R$15000.$ The amount that you will receive at the end of December $2024$ will equal

a$.R45750,00.$

b$.R45757,33.$

C$.$ R$46875,00.$

d$.$ R$47625,00.$