What is the rate of return on Health Care mutual fund for the month of May $2023$ if the the NAVPS was on May $31$st was $$15\mathrm{.}5,$ NAVPS on April $30$ th was $$16$ and the dividend per unit was $ $\mathrm{.}5?$

Question $1$ options:

$3\mathrm{.}125$ percent

$-3\mathrm{.}125$ percent

$0$ percent

$\mathrm{.}75$ percent