Currently, the number of outstanding shares issued by Ponggol Limited $($Ponggol$)$ is $25,000,000$ and it trades at $$2\mathrm{.}50$ per share. Ponggol operates several high$-$tech indoor vegetable farms in Singapore. Three years ago, Ponggol issued $80,000$ bonds $($which currently trades at $$1,080)$ based on the following terms: Coupon $=6\%($paid semi$-$annually$),$ Maturity $=10$ years, Par value $=$ $$1,000.$ A dividend of $$0\mathrm{.}15$ per share was paid recently, and this is expected to grow at $4\%$ every year forever. Risk$-$free rate is $3\%$ and market risk$-$premium is $6\%.$ Corporate tax rate is $17\%.$ Appraise the weighted average cost of capital $($WACC$)$ of Ponggol. Calculations should be shown where appropriate.